diff --git a/examples/samples/animation/2d/basic.js b/examples/samples/animation/2d/basic.js
index 56a4384f..efd43bfd 100644
--- a/examples/samples/animation/2d/basic.js
+++ b/examples/samples/animation/2d/basic.js
@@ -43,9 +43,9 @@ app
   .registerPlugin(new DOMWindowPlugin())
   .registerPlugin(new AnimationPlugin())
   .registerPlugin(new Canvas2DRendererPlugin())
-  .registerSystem(AppSchedule.Startup, init)
-  .registerSystem(AppSchedule.Update, setupViewport)
-  .registerSystem(AppSchedule.Startup, addDefaultCamera2D)
+  .registerSystem({ schedule: AppSchedule.Startup, system: init })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewport })
+  .registerSystem({ schedule: AppSchedule.Startup, system: addDefaultCamera2D })
   .registerDebugger(new FPSDebugger())
   .run()
 
diff --git a/examples/samples/animation/3d/basic.js b/examples/samples/animation/3d/basic.js
index 6b27e7f5..dd139105 100644
--- a/examples/samples/animation/3d/basic.js
+++ b/examples/samples/animation/3d/basic.js
@@ -41,9 +41,9 @@ app
   .registerPlugin(new AnimationPlugin())
   .registerPlugin(new DOMWindowPlugin())
   .registerDebugger(new FPSDebugger())
-  .registerSystem(AppSchedule.Startup, init)
-  .registerSystem(AppSchedule.Startup, addDefaultCamera3D)
-  .registerSystem(AppSchedule.Update, setupViewportWebgl)
+  .registerSystem({ schedule: AppSchedule.Startup, system: init })
+  .registerSystem({ schedule: AppSchedule.Startup, system: addDefaultCamera3D })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewportWebgl })
   .run()
 
 /**
diff --git a/examples/samples/audio/audioGraph.js b/examples/samples/audio/audioGraph.js
index c9a0e246..266092d3 100644
--- a/examples/samples/audio/audioGraph.js
+++ b/examples/samples/audio/audioGraph.js
@@ -40,7 +40,7 @@ class MyPlugin extends Plugin {
    * @param {App} app
    */
   register(app) {
-    app.registerSystem(AppSchedule.Startup, init)
+    app.registerSystem({ schedule: AppSchedule.Startup, system: init })
   }
 }
 const app = new App()
@@ -51,8 +51,8 @@ app
   .registerPlugin(new DOMWindowPlugin())
   .registerPlugin(new Canvas2DRendererPlugin())
   .registerPlugin(new MyPlugin())
-  .registerSystem(AppSchedule.Update, setupViewport)
-  .registerSystem(AppSchedule.Update, playAudio)
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewport })
+  .registerSystem({ schedule: AppSchedule.Update, system: playAudio })
   .registerDebugger(new FPSDebugger())
   .run()
 
diff --git a/examples/samples/audio/audioOscillator.js b/examples/samples/audio/audioOscillator.js
index e6ef2353..d8eafd9a 100644
--- a/examples/samples/audio/audioOscillator.js
+++ b/examples/samples/audio/audioOscillator.js
@@ -20,8 +20,8 @@ app
   .registerPlugin(new DefaultPlugin())
   .registerPlugin(new DOMWindowPlugin())
   .registerPlugin(new Canvas2DRendererPlugin())
-  .registerSystem(AppSchedule.Startup, init)
-  .registerSystem(AppSchedule.Update, setupViewport)
+  .registerSystem({ schedule: AppSchedule.Startup, system: init })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewport })
   .registerDebugger(new FPSDebugger())
   .run()
 
diff --git a/examples/samples/audio/audioPlayback.js b/examples/samples/audio/audioPlayback.js
index 24b3ee2f..263af805 100644
--- a/examples/samples/audio/audioPlayback.js
+++ b/examples/samples/audio/audioPlayback.js
@@ -29,7 +29,7 @@ class MyPlugin extends Plugin {
    * @param {App} app
    */
   register(app) {
-    app.registerSystem(AppSchedule.Startup, init)
+    app.registerSystem({ schedule: AppSchedule.Startup, system: init })
   }
 }
 
@@ -41,8 +41,8 @@ app
   .registerPlugin(new DOMWindowPlugin())
   .registerPlugin(new Canvas2DRendererPlugin())
   .registerPlugin(new MyPlugin())
-  .registerSystem(AppSchedule.Update, setupViewport)
-  .registerSystem(AppSchedule.Update, update)
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewport })
+  .registerSystem({ schedule: AppSchedule.Update, system: update })
   .registerDebugger(new FPSDebugger())
   .run()
 
diff --git a/examples/samples/audio/audioPlayer.js b/examples/samples/audio/audioPlayer.js
index e8c563e0..aa863588 100644
--- a/examples/samples/audio/audioPlayer.js
+++ b/examples/samples/audio/audioPlayer.js
@@ -25,7 +25,7 @@ class MyPlugin extends Plugin {
    * @param {App} app
    */
   register(app) {
-    app.registerSystem(AppSchedule.Startup, init)
+    app.registerSystem({ schedule: AppSchedule.Startup, system: init })
   }
 }
 
@@ -37,7 +37,7 @@ app
   .registerPlugin(new DOMWindowPlugin())
   .registerPlugin(new Canvas2DRendererPlugin())
   .registerPlugin(new MyPlugin())
-  .registerSystem(AppSchedule.Update, setupViewport)
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewport })
   .registerDebugger(new FPSDebugger())
   .run()
 
diff --git a/examples/samples/ecs/despawn.js b/examples/samples/ecs/despawn.js
index 45d0d7e6..32045390 100644
--- a/examples/samples/ecs/despawn.js
+++ b/examples/samples/ecs/despawn.js
@@ -32,10 +32,10 @@ app
   .registerPlugin(new DefaultPlugin())
   .registerPlugin(new DOMWindowPlugin())
   .registerPlugin(new Canvas2DRendererPlugin())
-  .registerSystem(AppSchedule.Startup, init)
-  .registerSystem(AppSchedule.Startup, addDefaultCamera2D)
-  .registerSystem(AppSchedule.Update, setupViewport)
-  .registerSystem(AppSchedule.Update, update)
+  .registerSystem({ schedule: AppSchedule.Startup, system: init })
+  .registerSystem({ schedule: AppSchedule.Startup, system: addDefaultCamera2D })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewport })
+  .registerSystem({ schedule: AppSchedule.Update, system: update })
   .registerDebugger(new FPSDebugger())
   .run()
 
diff --git a/examples/samples/ecs/spawn.js b/examples/samples/ecs/spawn.js
index e35708fe..c750be33 100644
--- a/examples/samples/ecs/spawn.js
+++ b/examples/samples/ecs/spawn.js
@@ -32,9 +32,9 @@ app
   .registerPlugin(new DefaultPlugin())
   .registerPlugin(new DOMWindowPlugin())
   .registerPlugin(new Canvas2DRendererPlugin())
-  .registerSystem(AppSchedule.Startup, addDefaultCamera2D)
-  .registerSystem(AppSchedule.Update, setupViewport)
-  .registerSystem(AppSchedule.Update, update)
+  .registerSystem({ schedule: AppSchedule.Startup, system: addDefaultCamera2D })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewport })
+  .registerSystem({ schedule: AppSchedule.Update, system: update })
   .registerDebugger(new FPSDebugger())
   .run()
 
diff --git a/examples/samples/emitter/2d/basic.js b/examples/samples/emitter/2d/basic.js
index 475ec318..3d22e1d9 100644
--- a/examples/samples/emitter/2d/basic.js
+++ b/examples/samples/emitter/2d/basic.js
@@ -47,10 +47,10 @@ app
   .registerPlugin(new DOMWindowPlugin())
   .registerPlugin(new Canvas2DRendererPlugin())
   .registerPlugin(new Emitter2DPlugin())
-  .registerSystem(AppSchedule.Startup, init)
-  .registerSystem(AppSchedule.Startup, addDefaultCamera2D)
-  .registerSystem(AppSchedule.Update, update)
-  .registerSystem(AppSchedule.Update, setupViewport)
+  .registerSystem({ schedule: AppSchedule.Startup, system: init })
+  .registerSystem({ schedule: AppSchedule.Startup, system: addDefaultCamera2D })
+  .registerSystem({ schedule: AppSchedule.Update, system: update })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewport })
   .registerDebugger(new FPSDebugger())
   .run()
 
diff --git a/examples/samples/emitter/2d/duration.js b/examples/samples/emitter/2d/duration.js
index f6de28a8..955a4f1a 100644
--- a/examples/samples/emitter/2d/duration.js
+++ b/examples/samples/emitter/2d/duration.js
@@ -42,9 +42,9 @@ app
   .registerPlugin(new DOMWindowPlugin())
   .registerPlugin(new Canvas2DRendererPlugin())
   .registerPlugin(new Emitter2DPlugin())
-  .registerSystem(AppSchedule.Startup, init)
-  .registerSystem(AppSchedule.Startup, addDefaultCamera2D)
-  .registerSystem(AppSchedule.Update, setupViewport)
+  .registerSystem({ schedule: AppSchedule.Startup, system: init })
+  .registerSystem({ schedule: AppSchedule.Startup, system: addDefaultCamera2D })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewport })
   .registerDebugger(new FPSDebugger())
   .run()
 
diff --git a/examples/samples/emitter/3d/basic.js b/examples/samples/emitter/3d/basic.js
index 16259043..875b8f6f 100644
--- a/examples/samples/emitter/3d/basic.js
+++ b/examples/samples/emitter/3d/basic.js
@@ -46,10 +46,10 @@ app
   .registerPlugin(new DefaultPlugin())
   .registerPlugin(new DOMWindowPlugin())
   .registerPlugin(new Emitter3DPlugin())
-  .registerSystem(AppSchedule.Startup, init)
-  .registerSystem(AppSchedule.Startup, addDefaultCamera3D)
-  .registerSystem(AppSchedule.Update, setupViewportWebgl)
-  .registerSystem(AppSchedule.Update, update)
+  .registerSystem({ schedule: AppSchedule.Startup, system: init })
+  .registerSystem({ schedule: AppSchedule.Startup, system: addDefaultCamera3D })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewportWebgl })
+  .registerSystem({ schedule: AppSchedule.Update, system: update })
   .registerDebugger(new FPSDebugger())
   .run()
 
diff --git a/examples/samples/emitter/3d/duration.js b/examples/samples/emitter/3d/duration.js
index f5bdadbe..d82dfaff 100644
--- a/examples/samples/emitter/3d/duration.js
+++ b/examples/samples/emitter/3d/duration.js
@@ -41,9 +41,9 @@ app
   .registerPlugin(new DefaultPlugin())
   .registerPlugin(new DOMWindowPlugin())
   .registerPlugin(new Emitter3DPlugin())
-  .registerSystem(AppSchedule.Startup, init)
-  .registerSystem(AppSchedule.Startup, addDefaultCamera3D)
-  .registerSystem(AppSchedule.Update, setupViewportWebgl)
+  .registerSystem({ schedule: AppSchedule.Startup, system: init })
+  .registerSystem({ schedule: AppSchedule.Startup, system: addDefaultCamera3D })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewportWebgl })
   .registerDebugger(new FPSDebugger())
   .run()
 
diff --git a/examples/samples/gizmos/2d/arcs.js b/examples/samples/gizmos/2d/arcs.js
index a2c2835a..2df9ba78 100644
--- a/examples/samples/gizmos/2d/arcs.js
+++ b/examples/samples/gizmos/2d/arcs.js
@@ -37,11 +37,11 @@ app
   .registerPlugin(new Gizmo2DPlugin({
     label: Demo
   }))
-  .registerSystem(AppSchedule.Startup, init)
-  .registerSystem(AppSchedule.Startup, addDefaultCamera2D)
-  .registerSystem(AppSchedule.Update, setupViewport)
-  .registerSystem(AppSchedule.Update, drawCirclularArcs)
-  .registerSystem(AppSchedule.Update, drawEllipticalArcs)
+  .registerSystem({ schedule: AppSchedule.Startup, system: init })
+  .registerSystem({ schedule: AppSchedule.Startup, system: addDefaultCamera2D })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewport })
+  .registerSystem({ schedule: AppSchedule.Update, system: drawCirclularArcs })
+  .registerSystem({ schedule: AppSchedule.Update, system: drawEllipticalArcs })
   .registerDebugger(new FPSDebugger())
   .run()
 
diff --git a/examples/samples/gizmos/2d/grid.js b/examples/samples/gizmos/2d/grid.js
index be256d4f..763f49fa 100644
--- a/examples/samples/gizmos/2d/grid.js
+++ b/examples/samples/gizmos/2d/grid.js
@@ -36,10 +36,10 @@ app
   .registerPlugin(new Gizmo2DPlugin({
     label: Demo
   }))
-  .registerSystem(AppSchedule.Startup, init)
-  .registerSystem(AppSchedule.Startup, addDefaultCamera2D)
-  .registerSystem(AppSchedule.Update, setupViewport)
-  .registerSystem(AppSchedule.Update, drawGrid)
+  .registerSystem({ schedule: AppSchedule.Startup, system: init })
+  .registerSystem({ schedule: AppSchedule.Startup, system: addDefaultCamera2D })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewport })
+  .registerSystem({ schedule: AppSchedule.Update, system: drawGrid })
   .registerDebugger(new FPSDebugger())
   .run()
 
diff --git a/examples/samples/gizmos/2d/linestyle.js b/examples/samples/gizmos/2d/linestyle.js
index a456a053..c1557c9c 100644
--- a/examples/samples/gizmos/2d/linestyle.js
+++ b/examples/samples/gizmos/2d/linestyle.js
@@ -45,10 +45,10 @@ app
   .registerPlugin(new Gizmo2DPlugin({
     label: Demo2
   }))
-  .registerSystem(AppSchedule.Startup, init)
-  .registerSystem(AppSchedule.Startup, addDefaultCamera2D)
-  .registerSystem(AppSchedule.Update, setupViewport)
-  .registerSystem(AppSchedule.Update, update)
+  .registerSystem({ schedule: AppSchedule.Startup, system: init })
+  .registerSystem({ schedule: AppSchedule.Startup, system: addDefaultCamera2D })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewport })
+  .registerSystem({ schedule: AppSchedule.Update, system: update })
   .registerDebugger(new FPSDebugger())
   .run()
 
diff --git a/examples/samples/gizmos/2d/shapes.js b/examples/samples/gizmos/2d/shapes.js
index 85f9f948..71dd6f14 100644
--- a/examples/samples/gizmos/2d/shapes.js
+++ b/examples/samples/gizmos/2d/shapes.js
@@ -35,10 +35,10 @@ app
   .registerPlugin(new Gizmo2DPlugin({
     label: Demo
   }))
-  .registerSystem(AppSchedule.Startup, init)
-  .registerSystem(AppSchedule.Startup, addDefaultCamera2D)
-  .registerSystem(AppSchedule.Update, setupViewport)
-  .registerSystem(AppSchedule.Update, update)
+  .registerSystem({ schedule: AppSchedule.Startup, system: init })
+  .registerSystem({ schedule: AppSchedule.Startup, system: addDefaultCamera2D })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewport })
+  .registerSystem({ schedule: AppSchedule.Update, system: update })
   .registerDebugger(new FPSDebugger())
   .run()
 
diff --git a/examples/samples/input/keyboard.js b/examples/samples/input/keyboard.js
index 8c88fc54..268cf547 100644
--- a/examples/samples/input/keyboard.js
+++ b/examples/samples/input/keyboard.js
@@ -38,12 +38,12 @@ app
   .registerPlugin(new DefaultPlugin())
   .registerPlugin(new DOMWindowPlugin())
   .registerPlugin(new Canvas2DRendererPlugin())
-  .registerSystem(AppSchedule.Startup, addDefaultCamera2D)
-  .registerSystem(AppSchedule.Startup, init)
-  .registerSystem(AppSchedule.Startup, spawnAlphabet)
-  .registerSystem(AppSchedule.Startup, spawnDigits)
-  .registerSystem(AppSchedule.Update, setupViewport)
-  .registerSystem(AppSchedule.Update, update)
+  .registerSystem({ schedule: AppSchedule.Startup, system: addDefaultCamera2D })
+  .registerSystem({ schedule: AppSchedule.Startup, system: init })
+  .registerSystem({ schedule: AppSchedule.Startup, system: spawnAlphabet })
+  .registerSystem({ schedule: AppSchedule.Startup, system: spawnDigits })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewport })
+  .registerSystem({ schedule: AppSchedule.Update, system: update })
   .registerDebugger(new FPSDebugger())
   .run()
 
diff --git a/examples/samples/input/mouse.js b/examples/samples/input/mouse.js
index 2ede7341..fa837402 100644
--- a/examples/samples/input/mouse.js
+++ b/examples/samples/input/mouse.js
@@ -49,12 +49,12 @@ app
   .registerPlugin(new DefaultPlugin())
   .registerPlugin(new DOMWindowPlugin())
   .registerPlugin(new Canvas2DRendererPlugin())
-  .registerSystem(AppSchedule.Startup, spawnButtons)
-  .registerSystem(AppSchedule.Startup, spawnMouseFollower)
-  .registerSystem(AppSchedule.Startup, addDefaultCamera2D)
-  .registerSystem(AppSchedule.Update, setupViewport)
-  .registerSystem(AppSchedule.Update, updateFollower)
-  .registerSystem(AppSchedule.Update, updateButtons)
+  .registerSystem({ schedule: AppSchedule.Startup, system: spawnButtons })
+  .registerSystem({ schedule: AppSchedule.Startup, system: spawnMouseFollower })
+  .registerSystem({ schedule: AppSchedule.Startup, system: addDefaultCamera2D })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewport })
+  .registerSystem({ schedule: AppSchedule.Update, system: updateFollower })
+  .registerSystem({ schedule: AppSchedule.Update, system: updateButtons })
   .registerDebugger(new FPSDebugger())
   .run()
 
diff --git a/examples/samples/input/touch.js b/examples/samples/input/touch.js
index 5408c738..84cfe070 100644
--- a/examples/samples/input/touch.js
+++ b/examples/samples/input/touch.js
@@ -33,10 +33,10 @@ app
   .registerPlugin(new DefaultPlugin())
   .registerPlugin(new DOMWindowPlugin())
   .registerPlugin(new Canvas2DRendererPlugin())
-  .registerSystem(AppSchedule.Startup, init)
-  .registerSystem(AppSchedule.Startup, addDefaultCamera2D)
-  .registerSystem(AppSchedule.Update, setupViewport)
-  .registerSystem(AppSchedule.Update, update)
+  .registerSystem({ schedule: AppSchedule.Startup, system: init })
+  .registerSystem({ schedule: AppSchedule.Startup, system: addDefaultCamera2D })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewport })
+  .registerSystem({ schedule: AppSchedule.Update, system: update })
   .registerDebugger(new FPSDebugger())
   .run()
 
diff --git a/examples/samples/render/canvas-2d/material.js b/examples/samples/render/canvas-2d/material.js
index 4bd1493b..d1a5f191 100644
--- a/examples/samples/render/canvas-2d/material.js
+++ b/examples/samples/render/canvas-2d/material.js
@@ -24,9 +24,9 @@ app
   .registerPlugin(new DefaultPlugin())
   .registerPlugin(new DOMWindowPlugin())
   .registerPlugin(new Canvas2DRendererPlugin())
-  .registerSystem(AppSchedule.Startup, init)
-  .registerSystem(AppSchedule.Startup, addDefaultCamera2D)
-  .registerSystem(AppSchedule.Update, setupViewport)
+  .registerSystem({ schedule: AppSchedule.Startup, system: init })
+  .registerSystem({ schedule: AppSchedule.Startup, system: addDefaultCamera2D })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewport })
   .registerDebugger(new FPSDebugger())
   .run()
 
diff --git a/examples/samples/render/webgl/basictriangle.js b/examples/samples/render/webgl/basictriangle.js
index 98afffef..af4c52ba 100644
--- a/examples/samples/render/webgl/basictriangle.js
+++ b/examples/samples/render/webgl/basictriangle.js
@@ -25,9 +25,9 @@ app
   .registerPlugin(new DefaultPlugin())
   .registerPlugin(new DOMWindowPlugin())
   .registerDebugger(new FPSDebugger())
-  .registerSystem(AppSchedule.Startup, spawnMesh)
-  .registerSystem(AppSchedule.Startup, addDefaultCamera3D)
-  .registerSystem(AppSchedule.Update, setupViewportWebgl)
+  .registerSystem({ schedule: AppSchedule.Startup, system: spawnMesh })
+  .registerSystem({ schedule: AppSchedule.Startup, system: addDefaultCamera3D })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewportWebgl })
   .run()
 
 /**
diff --git a/examples/samples/render/webgl/cameraorthographic.js b/examples/samples/render/webgl/cameraorthographic.js
index bd3669f4..e8552e62 100644
--- a/examples/samples/render/webgl/cameraorthographic.js
+++ b/examples/samples/render/webgl/cameraorthographic.js
@@ -30,10 +30,10 @@ app
   .registerPlugin(new DefaultPlugin())
   .registerPlugin(new DOMWindowPlugin())
   .registerDebugger(new FPSDebugger())
-  .registerSystem(AppSchedule.Startup, spawnMesh)
-  .registerSystem(AppSchedule.Startup, addCamera3D)
-  .registerSystem(AppSchedule.Update, setupViewportWebgl)
-  .registerSystem(AppSchedule.Update, update)
+  .registerSystem({ schedule: AppSchedule.Startup, system: spawnMesh })
+  .registerSystem({ schedule: AppSchedule.Startup, system: addCamera3D })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewportWebgl })
+  .registerSystem({ schedule: AppSchedule.Update, system: update })
   .run()
 
 /**
diff --git a/examples/samples/render/webgl/cameraperspective.js b/examples/samples/render/webgl/cameraperspective.js
index 45230531..9e77d364 100644
--- a/examples/samples/render/webgl/cameraperspective.js
+++ b/examples/samples/render/webgl/cameraperspective.js
@@ -30,10 +30,10 @@ app
   .registerPlugin(new DefaultPlugin())
   .registerPlugin(new DOMWindowPlugin())
   .registerDebugger(new FPSDebugger())
-  .registerSystem(AppSchedule.Startup, spawnMesh)
-  .registerSystem(AppSchedule.Startup, addCamera3D)
-  .registerSystem(AppSchedule.Update, setupViewportWebgl)
-  .registerSystem(AppSchedule.Update, update)
+  .registerSystem({ schedule: AppSchedule.Startup, system: spawnMesh })
+  .registerSystem({ schedule: AppSchedule.Startup, system: addCamera3D })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewportWebgl })
+  .registerSystem({ schedule: AppSchedule.Update, system: update })
   .run()
 
 /**
diff --git a/examples/samples/render/webgl/camerarotate.js b/examples/samples/render/webgl/camerarotate.js
index c2cc7402..8fde65b3 100644
--- a/examples/samples/render/webgl/camerarotate.js
+++ b/examples/samples/render/webgl/camerarotate.js
@@ -29,10 +29,10 @@ app
   .registerPlugin(new DefaultPlugin())
   .registerPlugin(new DOMWindowPlugin())
   .registerDebugger(new FPSDebugger())
-  .registerSystem(AppSchedule.Startup, spawnMesh)
-  .registerSystem(AppSchedule.Startup, addCamera3D)
-  .registerSystem(AppSchedule.Update, setupViewportWebgl)
-  .registerSystem(AppSchedule.Update, update)
+  .registerSystem({ schedule: AppSchedule.Startup, system: spawnMesh })
+  .registerSystem({ schedule: AppSchedule.Startup, system: addCamera3D })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewportWebgl })
+  .registerSystem({ schedule: AppSchedule.Update, system: update })
   .run()
 
 /**
diff --git a/examples/samples/render/webgl/colorchangetriangle.js b/examples/samples/render/webgl/colorchangetriangle.js
index 93ab14aa..be018553 100644
--- a/examples/samples/render/webgl/colorchangetriangle.js
+++ b/examples/samples/render/webgl/colorchangetriangle.js
@@ -31,10 +31,10 @@ app
   .registerPlugin(new DefaultPlugin())
   .registerPlugin(new DOMWindowPlugin())
   .registerDebugger(new FPSDebugger())
-  .registerSystem(AppSchedule.Startup, spawnMesh)
-  .registerSystem(AppSchedule.Startup, addDefaultCamera3D)
-  .registerSystem(AppSchedule.Update, setupViewportWebgl)
-  .registerSystem(AppSchedule.Update, changeColor)
+  .registerSystem({ schedule: AppSchedule.Startup, system: spawnMesh })
+  .registerSystem({ schedule: AppSchedule.Startup, system: addDefaultCamera3D })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewportWebgl })
+  .registerSystem({ schedule: AppSchedule.Update, system: changeColor })
   .run()
 
 /**
diff --git a/examples/samples/render/webgl/geometries.js b/examples/samples/render/webgl/geometries.js
index bc634b58..33f1ddb5 100644
--- a/examples/samples/render/webgl/geometries.js
+++ b/examples/samples/render/webgl/geometries.js
@@ -28,10 +28,10 @@ app
   .registerPlugin(new DefaultPlugin())
   .registerPlugin(new DOMWindowPlugin())
   .registerDebugger(new FPSDebugger())
-  .registerSystem(AppSchedule.Startup, spawnMeshes)
-  .registerSystem(AppSchedule.Startup, addDefaultCamera3D)
-  .registerSystem(AppSchedule.Update, setupViewportWebgl)
-  .registerSystem(AppSchedule.Update, update)
+  .registerSystem({ schedule: AppSchedule.Startup, system: spawnMeshes })
+  .registerSystem({ schedule: AppSchedule.Startup, system: addDefaultCamera3D })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewportWebgl })
+  .registerSystem({ schedule: AppSchedule.Update, system: update })
   .run()
 
 /**
diff --git a/examples/samples/scene/2d/basic.js b/examples/samples/scene/2d/basic.js
index f83098ed..6bf5d44a 100644
--- a/examples/samples/scene/2d/basic.js
+++ b/examples/samples/scene/2d/basic.js
@@ -36,8 +36,8 @@ app
   .registerPlugin(new DefaultPlugin())
   .registerPlugin(new DOMWindowPlugin())
   .registerPlugin(new Canvas2DRendererPlugin())
-  .registerSystem(AppSchedule.Startup, init)
-  .registerSystem(AppSchedule.Update, setupViewport)
+  .registerSystem({ schedule: AppSchedule.Startup, system: init })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewport })
   .registerDebugger(new FPSDebugger())
   .run()
 
diff --git a/examples/samples/scene/2d/multiple_instances.js b/examples/samples/scene/2d/multiple_instances.js
index 5f89e7de..d5af7714 100644
--- a/examples/samples/scene/2d/multiple_instances.js
+++ b/examples/samples/scene/2d/multiple_instances.js
@@ -39,10 +39,10 @@ app
   .registerPlugin(new DefaultPlugin())
   .registerPlugin(new DOMWindowPlugin())
   .registerPlugin(new Canvas2DRendererPlugin())
-  .registerSystem(AppSchedule.Update, applyRandomDescendantTorque)
-  .registerSystem(AppSchedule.Startup, init)
-  .registerSystem(AppSchedule.Startup, addDefaultCamera2D)
-  .registerSystem(AppSchedule.Update, setupViewport)
+  .registerSystem({ schedule: AppSchedule.Update, system: applyRandomDescendantTorque })
+  .registerSystem({ schedule: AppSchedule.Startup, system: init })
+  .registerSystem({ schedule: AppSchedule.Startup, system: addDefaultCamera2D })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewport })
   .registerDebugger(new FPSDebugger())
   .run()
 
diff --git a/examples/samples/scene/3d/basic.js b/examples/samples/scene/3d/basic.js
index fae2a06d..ead5e1fc 100644
--- a/examples/samples/scene/3d/basic.js
+++ b/examples/samples/scene/3d/basic.js
@@ -39,8 +39,8 @@ app
   .registerPlugin(new DefaultPlugin())
   .registerPlugin(new DOMWindowPlugin())
   .registerDebugger(new FPSDebugger())
-  .registerSystem(AppSchedule.Startup, init)
-  .registerSystem(AppSchedule.Update, setupViewportWebgl)
+  .registerSystem({ schedule: AppSchedule.Startup, system: init })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewportWebgl })
   .run()
 
 /**
diff --git a/examples/samples/scene/3d/multiple_instances.js b/examples/samples/scene/3d/multiple_instances.js
index 2ff2b507..3a164479 100644
--- a/examples/samples/scene/3d/multiple_instances.js
+++ b/examples/samples/scene/3d/multiple_instances.js
@@ -45,11 +45,11 @@ app
   .registerPlugin(new WebglRendererPlugin())
   .registerPlugin(new DefaultPlugin())
   .registerPlugin(new DOMWindowPlugin())
-  .registerSystem(AppSchedule.Update, applyRandomDescendantTorque)
+  .registerSystem({ schedule: AppSchedule.Update, system: applyRandomDescendantTorque })
   .registerDebugger(new FPSDebugger())
-  .registerSystem(AppSchedule.Startup, init)
-  .registerSystem(AppSchedule.Startup, addDefaultCamera3D)
-  .registerSystem(AppSchedule.Update, setupViewportWebgl)
+  .registerSystem({ schedule: AppSchedule.Startup, system: init })
+  .registerSystem({ schedule: AppSchedule.Startup, system: addDefaultCamera3D })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewportWebgl })
   .run()
 
 /**
diff --git a/examples/samples/transform/2d/lookat.js b/examples/samples/transform/2d/lookat.js
index c02def0f..3bdbdb2c 100644
--- a/examples/samples/transform/2d/lookat.js
+++ b/examples/samples/transform/2d/lookat.js
@@ -37,12 +37,12 @@ app
   .registerPlugin(new DefaultPlugin())
   .registerPlugin(new DOMWindowPlugin())
   .registerPlugin(new Canvas2DRendererPlugin())
-  .registerSystem(AppSchedule.Startup, spawnLookers)
-  .registerSystem(AppSchedule.Startup, spawnTarget)
-  .registerSystem(AppSchedule.Startup, addDefaultCamera2D)
-  .registerSystem(AppSchedule.Update, setupViewport)
-  .registerSystem(AppSchedule.Update, updateLookers)
-  .registerSystem(AppSchedule.Update, updateTarget)
+  .registerSystem({ schedule: AppSchedule.Startup, system: spawnLookers })
+  .registerSystem({ schedule: AppSchedule.Startup, system: spawnTarget })
+  .registerSystem({ schedule: AppSchedule.Startup, system: addDefaultCamera2D })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewport })
+  .registerSystem({ schedule: AppSchedule.Update, system: updateLookers })
+  .registerSystem({ schedule: AppSchedule.Update, system: updateTarget })
   .registerDebugger(new FPSDebugger())
   .run()
 
diff --git a/examples/samples/transform/2d/propagate.js b/examples/samples/transform/2d/propagate.js
index 829e9e3b..4b34f934 100644
--- a/examples/samples/transform/2d/propagate.js
+++ b/examples/samples/transform/2d/propagate.js
@@ -34,10 +34,10 @@ app
   .registerPlugin(new DefaultPlugin())
   .registerPlugin(new DOMWindowPlugin())
   .registerPlugin(new Canvas2DRendererPlugin())
-  .registerSystem(AppSchedule.Startup, addMeshes)
-  .registerSystem(AppSchedule.Startup, addDefaultCamera2D)
-  .registerSystem(AppSchedule.Update, update)
-  .registerSystem(AppSchedule.Update, setupViewport)
+  .registerSystem({ schedule: AppSchedule.Startup, system: addMeshes })
+  .registerSystem({ schedule: AppSchedule.Startup, system: addDefaultCamera2D })
+  .registerSystem({ schedule: AppSchedule.Update, system: update })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewport })
   .registerDebugger(new FPSDebugger())
   .run()
 
diff --git a/examples/samples/transform/2d/rotate.js b/examples/samples/transform/2d/rotate.js
index 8df8bc5a..7a3b8397 100644
--- a/examples/samples/transform/2d/rotate.js
+++ b/examples/samples/transform/2d/rotate.js
@@ -27,10 +27,10 @@ app
   .registerPlugin(new DefaultPlugin())
   .registerPlugin(new DOMWindowPlugin())
   .registerPlugin(new Canvas2DRendererPlugin())
-  .registerSystem(AppSchedule.Startup, addmesh)
-  .registerSystem(AppSchedule.Startup, addDefaultCamera2D)
-  .registerSystem(AppSchedule.Update, update)
-  .registerSystem(AppSchedule.Update, setupViewport)
+  .registerSystem({ schedule: AppSchedule.Startup, system: addmesh })
+  .registerSystem({ schedule: AppSchedule.Startup, system: addDefaultCamera2D })
+  .registerSystem({ schedule: AppSchedule.Update, system: update })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewport })
   .registerDebugger(new FPSDebugger())
   .run()
 
diff --git a/examples/samples/transform/2d/scale.js b/examples/samples/transform/2d/scale.js
index a5cd4e3a..5925e361 100644
--- a/examples/samples/transform/2d/scale.js
+++ b/examples/samples/transform/2d/scale.js
@@ -27,10 +27,10 @@ app
   .registerPlugin(new DefaultPlugin())
   .registerPlugin(new DOMWindowPlugin())
   .registerPlugin(new Canvas2DRendererPlugin())
-  .registerSystem(AppSchedule.Startup, addmesh)
-  .registerSystem(AppSchedule.Startup, addDefaultCamera2D)
-  .registerSystem(AppSchedule.Update, updateMesh)
-  .registerSystem(AppSchedule.Update, setupViewport)
+  .registerSystem({ schedule: AppSchedule.Startup, system: addmesh })
+  .registerSystem({ schedule: AppSchedule.Startup, system: addDefaultCamera2D })
+  .registerSystem({ schedule: AppSchedule.Update, system: updateMesh })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewport })
   .registerDebugger(new FPSDebugger())
   .run()
 
diff --git a/examples/samples/transform/2d/translate.js b/examples/samples/transform/2d/translate.js
index f7f92ba3..05fb179e 100644
--- a/examples/samples/transform/2d/translate.js
+++ b/examples/samples/transform/2d/translate.js
@@ -27,10 +27,10 @@ app
   .registerPlugin(new DefaultPlugin())
   .registerPlugin(new DOMWindowPlugin())
   .registerPlugin(new Canvas2DRendererPlugin())
-  .registerSystem(AppSchedule.Startup, addmesh)
-  .registerSystem(AppSchedule.Startup, addDefaultCamera2D)
-  .registerSystem(AppSchedule.Update, updateMesh)
-  .registerSystem(AppSchedule.Update, setupViewport)
+  .registerSystem({ schedule: AppSchedule.Startup, system: addmesh })
+  .registerSystem({ schedule: AppSchedule.Startup, system: addDefaultCamera2D })
+  .registerSystem({ schedule: AppSchedule.Update, system: updateMesh })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewport })
   .registerDebugger(new FPSDebugger())
   .run()
 
diff --git a/examples/samples/transform/3d/lookat.js b/examples/samples/transform/3d/lookat.js
index 12050d0f..af4af672 100644
--- a/examples/samples/transform/3d/lookat.js
+++ b/examples/samples/transform/3d/lookat.js
@@ -36,12 +36,12 @@ app
   .registerPlugin(new DefaultPlugin())
   .registerPlugin(new DOMWindowPlugin())
   .registerDebugger(new FPSDebugger())
-  .registerSystem(AppSchedule.Startup, spawnLookers)
-  .registerSystem(AppSchedule.Startup, spawnTarget)
-  .registerSystem(AppSchedule.Startup, addDefaultCamera3D)
-  .registerSystem(AppSchedule.Update, setupViewportWebgl)
-  .registerSystem(AppSchedule.Update, updateLookers)
-  .registerSystem(AppSchedule.Update, updateTarget)
+  .registerSystem({ schedule: AppSchedule.Startup, system: spawnLookers })
+  .registerSystem({ schedule: AppSchedule.Startup, system: spawnTarget })
+  .registerSystem({ schedule: AppSchedule.Startup, system: addDefaultCamera3D })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewportWebgl })
+  .registerSystem({ schedule: AppSchedule.Update, system: updateLookers })
+  .registerSystem({ schedule: AppSchedule.Update, system: updateTarget })
   .run()
 
 /**
diff --git a/examples/samples/transform/3d/propagate.js b/examples/samples/transform/3d/propagate.js
index cff05920..ed97a5af 100644
--- a/examples/samples/transform/3d/propagate.js
+++ b/examples/samples/transform/3d/propagate.js
@@ -34,10 +34,10 @@ app
   .registerPlugin(new DefaultPlugin())
   .registerPlugin(new DOMWindowPlugin())
   .registerDebugger(new FPSDebugger())
-  .registerSystem(AppSchedule.Startup, spawnMeshes)
-  .registerSystem(AppSchedule.Startup, addDefaultCamera3D)
-  .registerSystem(AppSchedule.Update, setupViewportWebgl)
-  .registerSystem(AppSchedule.Update, update)
+  .registerSystem({ schedule: AppSchedule.Startup, system: spawnMeshes })
+  .registerSystem({ schedule: AppSchedule.Startup, system: addDefaultCamera3D })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewportWebgl })
+  .registerSystem({ schedule: AppSchedule.Update, system: update })
   .run()
 
 /**
diff --git a/examples/samples/transform/3d/rotate.js b/examples/samples/transform/3d/rotate.js
index 222e03aa..ba94ef59 100644
--- a/examples/samples/transform/3d/rotate.js
+++ b/examples/samples/transform/3d/rotate.js
@@ -28,10 +28,10 @@ app
   .registerPlugin(new DefaultPlugin())
   .registerPlugin(new DOMWindowPlugin())
   .registerDebugger(new FPSDebugger())
-  .registerSystem(AppSchedule.Startup, spawnMesh)
-  .registerSystem(AppSchedule.Startup, addDefaultCamera3D)
-  .registerSystem(AppSchedule.Update, setupViewportWebgl)
-  .registerSystem(AppSchedule.Update, update)
+  .registerSystem({ schedule: AppSchedule.Startup, system: spawnMesh })
+  .registerSystem({ schedule: AppSchedule.Startup, system: addDefaultCamera3D })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewportWebgl })
+  .registerSystem({ schedule: AppSchedule.Update, system: update })
   .run()
 
 /**
diff --git a/examples/samples/transform/3d/scale.js b/examples/samples/transform/3d/scale.js
index 37fdb5c8..5df3dff4 100644
--- a/examples/samples/transform/3d/scale.js
+++ b/examples/samples/transform/3d/scale.js
@@ -28,10 +28,10 @@ app
   .registerPlugin(new DefaultPlugin())
   .registerPlugin(new DOMWindowPlugin())
   .registerDebugger(new FPSDebugger())
-  .registerSystem(AppSchedule.Startup, spawnMesh)
-  .registerSystem(AppSchedule.Startup, addDefaultCamera3D)
-  .registerSystem(AppSchedule.Update, setupViewportWebgl)
-  .registerSystem(AppSchedule.Update, updateMesh)
+  .registerSystem({ schedule: AppSchedule.Startup, system: spawnMesh })
+  .registerSystem({ schedule: AppSchedule.Startup, system: addDefaultCamera3D })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewportWebgl })
+  .registerSystem({ schedule: AppSchedule.Update, system: updateMesh })
   .run()
 
 /**
diff --git a/examples/samples/transform/3d/translate.js b/examples/samples/transform/3d/translate.js
index 43526dd5..41075cb0 100644
--- a/examples/samples/transform/3d/translate.js
+++ b/examples/samples/transform/3d/translate.js
@@ -28,10 +28,10 @@ app
   .registerPlugin(new DefaultPlugin())
   .registerPlugin(new DOMWindowPlugin())
   .registerDebugger(new FPSDebugger())
-  .registerSystem(AppSchedule.Startup, spawnMesh)
-  .registerSystem(AppSchedule.Startup, addDefaultCamera3D)
-  .registerSystem(AppSchedule.Update, setupViewportWebgl)
-  .registerSystem(AppSchedule.Update, updateMesh)
+  .registerSystem({ schedule: AppSchedule.Startup, system: spawnMesh })
+  .registerSystem({ schedule: AppSchedule.Startup, system: addDefaultCamera3D })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewportWebgl })
+  .registerSystem({ schedule: AppSchedule.Update, system: updateMesh })
   .run()
 
 /**
diff --git a/examples/samples/tween/easing.js b/examples/samples/tween/easing.js
index da17776b..8c46ef0a 100644
--- a/examples/samples/tween/easing.js
+++ b/examples/samples/tween/easing.js
@@ -29,9 +29,9 @@ app
   .registerPlugin(new DefaultPlugin())
   .registerPlugin(new DOMWindowPlugin())
   .registerPlugin(new Canvas2DRendererPlugin())
-  .registerSystem(AppSchedule.Startup, init)
-  .registerSystem(AppSchedule.Startup, addDefaultCamera2D)
-  .registerSystem(AppSchedule.Update, setupViewport)
+  .registerSystem({ schedule: AppSchedule.Startup, system: init })
+  .registerSystem({ schedule: AppSchedule.Startup, system: addDefaultCamera2D })
+  .registerSystem({ schedule: AppSchedule.Update, system: setupViewport })
   .registerDebugger(new FPSDebugger())
   .run()
 
diff --git a/examples/samples/utils.js b/examples/samples/utils.js
index 1fee32aa..8f1e6c06 100644
--- a/examples/samples/utils.js
+++ b/examples/samples/utils.js
@@ -102,12 +102,12 @@ export class HackPlugin extends Plugin {
     // HACK: This is a hack until system sets and ordering is introduced.
     {
       app
-        .registerSystem(AppSchedule.Startup, registerAssetOnAssetServer(Audio))
-        .registerSystem(AppSchedule.Startup, registerAssetOnAssetServer(Image))
-        .registerSystem(AppSchedule.Startup, registerAssetOnAssetServer(Mesh))
-        .registerSystem(AppSchedule.Startup, registerAssetOnAssetServer(BasicMaterial))
-        .registerSystem(AppSchedule.Startup, registerAssetParserOnAssetServer(Audio, new AudioParser()))
-        .registerSystem(AppSchedule.Startup, registerAssetParserOnAssetServer(Image, new ImageParser()))
+        .registerSystem({ schedule: AppSchedule.Startup, system: registerAssetOnAssetServer(Audio) })
+        .registerSystem({ schedule: AppSchedule.Startup, system: registerAssetOnAssetServer(Image) })
+        .registerSystem({ schedule: AppSchedule.Startup, system: registerAssetOnAssetServer(Mesh) })
+        .registerSystem({ schedule: AppSchedule.Startup, system: registerAssetOnAssetServer(BasicMaterial) })
+        .registerSystem({ schedule: AppSchedule.Startup, system: registerAssetParserOnAssetServer(Audio, new AudioParser()) })
+        .registerSystem({ schedule: AppSchedule.Startup, system: registerAssetParserOnAssetServer(Image, new ImageParser()) })
     }
   }
 }
diff --git a/src/animation/plugin.js b/src/animation/plugin.js
index 2a3f6799..d6a0b2f9 100644
--- a/src/animation/plugin.js
+++ b/src/animation/plugin.js
@@ -18,12 +18,12 @@ export class AnimationPlugin extends Plugin {
     app
       .registerType(AnimationPlayer)
       .registerType(AnimationTarget)
-      .registerSystem(AppSchedule.Startup, registerAnimationTypes)
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerAnimationTypes })
       .registerPlugin(new AssetPlugin({
         asset:AnimationClip
       }))
-      .registerSystem(AppSchedule.Update, advanceAnimationPlayers)
-      .registerSystem(AppSchedule.Update, applyAnimations)
+      .registerSystem({ schedule: AppSchedule.Update, system: advanceAnimationPlayers })
+      .registerSystem({ schedule: AppSchedule.Update, system: applyAnimations })
     world.setResourceAlias(typeidGeneric(Assets, [AnimationClip]), AnimationClipAssets)
   }
 }
diff --git a/src/app/app.js b/src/app/app.js
index 85185a9f..229a8bb3 100644
--- a/src/app/app.js
+++ b/src/app/app.js
@@ -1,8 +1,9 @@
 /** @import { SystemFunc } from '../ecs/index.js' */
+/** @import { SystemConfig } from '../schedule/index.js' */
 /** @import { Constructor,TypeId } from '../type/index.js'*/
 
 import { World, ComponentHooks } from '../ecs/index.js'
-import { SystemConfig, Scheduler, SchedulerBuilder, Executable } from '../schedule/index.js'
+import { Scheduler, SchedulerBuilder, Executable } from '../schedule/index.js'
 import { assert } from '../logger/index.js'
 import { typeid } from '../type/index.js'
 
@@ -166,11 +167,10 @@ export class App {
   }
 
   /**
-   * @param {string} label
-   * @param {SystemFunc} system
+   * @param {SystemConfig} config
    */
-  registerSystem(label, system) {
-    this.systemBuilder.add(new SystemConfig(system, label))
+  registerSystem(config) {
+    this.systemBuilder.add(config)
 
     return this
   }
diff --git a/src/asset/plugins/asset.js b/src/asset/plugins/asset.js
index 654d2234..7e38f1b9 100644
--- a/src/asset/plugins/asset.js
+++ b/src/asset/plugins/asset.js
@@ -55,12 +55,12 @@ export class AssetPlugin extends Plugin {
         .registerPlugin(new EventPlugin({
           event: events.dropped
         }))
-        .registerSystem(AppSchedule.Update, updateAssetEvents(asset, events))
-        .registerSystem(AppSchedule.Update, unloadDroppedAssets(events.dropped))
+        .registerSystem({ schedule: AppSchedule.Update, system: updateAssetEvents(asset, events) })
+        .registerSystem({ schedule: AppSchedule.Update, system: unloadDroppedAssets(events.dropped) })
     }
 
-    app.registerSystem(AppSchedule.Startup, registerAssetOnAssetServer(asset))
-    app.registerSystem(AppSchedule.Startup, registerAssetTypes(asset))
+    app.registerSystem({ schedule: AppSchedule.Startup, system: registerAssetOnAssetServer(asset) })
+    app.registerSystem({ schedule: AppSchedule.Startup, system: registerAssetTypes(asset) })
     world.setResourceByTypeId(
       typeidGeneric(Assets, [asset]),
       new Assets(asset)
diff --git a/src/asset/plugins/assetServer.js b/src/asset/plugins/assetServer.js
index 68dfcc4e..618f7c22 100644
--- a/src/asset/plugins/assetServer.js
+++ b/src/asset/plugins/assetServer.js
@@ -19,9 +19,9 @@ export class AssetServerPlugin extends Plugin {
       .registerPlugin(new EventPlugin({
         event: AssetLoadFail
       }))
-      .registerSystem(AppSchedule.Startup, registerAssetServerTypes)
-      .registerSystem(AppSchedule.Update, updateAssets)
-      .registerSystem(AppSchedule.Update, updateAssetLoadEvents)
-      .registerSystem(AppSchedule.Update, logFailedLoads)
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerAssetServerTypes })
+      .registerSystem({ schedule: AppSchedule.Update, system: updateAssets })
+      .registerSystem({ schedule: AppSchedule.Update, system: updateAssetLoadEvents })
+      .registerSystem({ schedule: AppSchedule.Update, system: logFailedLoads })
   }
 }
diff --git a/src/asset/plugins/parser.js b/src/asset/plugins/parser.js
index b2670659..46cf3d60 100644
--- a/src/asset/plugins/parser.js
+++ b/src/asset/plugins/parser.js
@@ -41,7 +41,7 @@ export class AssetParserPlugin extends Plugin {
     const { asset, parser } = this
 
     app
-      .registerSystem(AppSchedule.Startup, registerAssetParserOnAssetServer(asset, parser))
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerAssetParserOnAssetServer(asset, parser) })
   }
 
   name() {
diff --git a/src/audio/plugin.js b/src/audio/plugin.js
index c61079c6..222c4cfb 100644
--- a/src/audio/plugin.js
+++ b/src/audio/plugin.js
@@ -29,7 +29,7 @@ export class AudioPlugin extends Plugin {
         null,
         removeOscillatorSink
       ))
-      .registerSystem(AppSchedule.Startup, registerAudioTypes)
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerAudioTypes })
       .setResource(new AudioGraph())
       .setResource(handler)
       .registerPlugin(new AssetPlugin({
@@ -44,8 +44,8 @@ export class AudioPlugin extends Plugin {
         asset: Audio,
         parser: new AudioParser()
       }))
-      .registerSystem(AppSchedule.Update, playAudio)
-      .registerSystem(AppSchedule.Update, playOscillators)
+      .registerSystem({ schedule: AppSchedule.Update, system: playAudio })
+      .registerSystem({ schedule: AppSchedule.Update, system: playOscillators })
 
     window.addEventListener('pointerdown', resumeAudio)
 
diff --git a/src/broadphase/plugin.js b/src/broadphase/plugin.js
index d540a81c..de7d1dab 100644
--- a/src/broadphase/plugin.js
+++ b/src/broadphase/plugin.js
@@ -27,11 +27,11 @@ export class Broadphase2DPlugin extends Plugin {
   register(app) {
     app
       .registerType(PhysicsHitbox)
-      .registerSystem(AppSchedule.Startup, registerBroadphaseTypes2D)
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerBroadphaseTypes2D })
       .setResource(new Broadphase2D(this.innerBroadphase))
       .setResource(new CollisionPairs())
-      .registerSystem(AppSchedule.Update, getCollisionPairs)
-      .registerSystem(AppSchedule.Update, updateBroadphase2D)
+      .registerSystem({ schedule: AppSchedule.Update, system: getCollisionPairs })
+      .registerSystem({ schedule: AppSchedule.Update, system: updateBroadphase2D })
   }
 }
 
diff --git a/src/color/plugin.js b/src/color/plugin.js
index f6c0c3f7..39bce35e 100644
--- a/src/color/plugin.js
+++ b/src/color/plugin.js
@@ -8,6 +8,6 @@ export class ColorPlugin extends Plugin {
    * @param {App} app
    */
   register(app) {
-    app.registerSystem(AppSchedule.Startup, registerColorTypes)
+    app.registerSystem({ schedule: AppSchedule.Startup, system: registerColorTypes })
   }
 }
diff --git a/src/command/plugin.js b/src/command/plugin.js
index 50664352..a162b869 100644
--- a/src/command/plugin.js
+++ b/src/command/plugin.js
@@ -11,7 +11,7 @@ export class CommandsPlugin extends Plugin {
   register(app) {
     app
       .setResource(new CommandQueue())
-      .registerSystem(AppSchedule.Update, executeCommands)
+      .registerSystem({ schedule: AppSchedule.Update, system: executeCommands })
   }
 }
 
diff --git a/src/core/plugin.js b/src/core/plugin.js
index 0f517c58..a3c5c02c 100644
--- a/src/core/plugin.js
+++ b/src/core/plugin.js
@@ -15,6 +15,6 @@ export class CorePlugin extends Plugin {
     app.createSchedule(
       { label: AppSchedule.Update, repeat: true }
     )
-    app.registerSystem(AppSchedule.Startup, registerCoreTypes)
+    app.registerSystem({ schedule: AppSchedule.Startup, system: registerCoreTypes })
   }
 }
diff --git a/src/damping/plugin.js b/src/damping/plugin.js
index dc2c222e..7fbceb9c 100644
--- a/src/damping/plugin.js
+++ b/src/damping/plugin.js
@@ -12,9 +12,9 @@ export class Damping2DPlugin extends Plugin {
     app
       .setResource(new Linear2DDamping(0.01))
       .setResource(new Angular2DDamping(0.01))
-      .registerSystem(AppSchedule.Startup, registerDamping2DTypes)
-      .registerSystem(AppSchedule.Update, dampenVelocity2D)
-      .registerSystem(AppSchedule.Update, dampenRotation2D)
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerDamping2DTypes })
+      .registerSystem({ schedule: AppSchedule.Update, system: dampenVelocity2D })
+      .registerSystem({ schedule: AppSchedule.Update, system: dampenRotation2D })
   }
 }
 
@@ -27,8 +27,8 @@ export class Damping3DPlugin extends Plugin {
     app
       .setResource(new Linear3DDamping(0.01))
       .setResource(new Angular3DDamping(0.01))
-      .registerSystem(AppSchedule.Startup, registerDamping3DTypes)
-      .registerSystem(AppSchedule.Update, dampenVelocity3D)
-      .registerSystem(AppSchedule.Update, dampenRotation3D)
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerDamping3DTypes })
+      .registerSystem({ schedule: AppSchedule.Update, system: dampenVelocity3D })
+      .registerSystem({ schedule: AppSchedule.Update, system: dampenRotation3D })
   }
 }
diff --git a/src/device/plugin.js b/src/device/plugin.js
index 653f29b8..2f3bf3de 100644
--- a/src/device/plugin.js
+++ b/src/device/plugin.js
@@ -15,7 +15,7 @@ export class DevicePlugin extends Plugin {
 
     app
       .setResource(device)
-      .registerSystem(AppSchedule.Startup, registerDeviceTypes)
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerDeviceTypes })
 
     // rendering capabilities
     device.capabilities.canvas = !!window.CanvasRenderingContext2D
diff --git a/src/diagnostic/entitycount.js b/src/diagnostic/entitycount.js
index c45f3621..daa6bf39 100644
--- a/src/diagnostic/entitycount.js
+++ b/src/diagnostic/entitycount.js
@@ -9,8 +9,8 @@ export class EntityCountDiagnosticPlugin {
    */
   register(app) {
     app
-      .registerSystem(AppSchedule.Startup, setUpUI)
-      .registerSystem(AppSchedule.Update, updateEntityCount)
+      .registerSystem({ schedule: AppSchedule.Startup, system: setUpUI })
+      .registerSystem({ schedule: AppSchedule.Update, system: updateEntityCount })
   }
 }
 
diff --git a/src/diagnostic/fpsdebugger.js b/src/diagnostic/fpsdebugger.js
index b3a876ac..60cd43b5 100644
--- a/src/diagnostic/fpsdebugger.js
+++ b/src/diagnostic/fpsdebugger.js
@@ -13,10 +13,10 @@ export class FPSDebugger extends Plugin {
   register(app) {
     app
       .setResource(new RAFTimer({ duration: 1, mode: TimerMode.Repeat }))
-      .registerSystem(AppSchedule.Startup, registerFpsDebuggerTypes)
-      .registerSystem(AppSchedule.Startup, setUpUI)
-      .registerSystem(AppSchedule.Update, updateFPSCounter)
-      .registerSystem(AppSchedule.Update, updateRAFTimer)
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerFpsDebuggerTypes })
+      .registerSystem({ schedule: AppSchedule.Startup, system: setUpUI })
+      .registerSystem({ schedule: AppSchedule.Update, system: updateFPSCounter })
+      .registerSystem({ schedule: AppSchedule.Update, system: updateRAFTimer })
   }
 }
 
diff --git a/src/emitter/plugin.js b/src/emitter/plugin.js
index a5d25f58..d63cb456 100644
--- a/src/emitter/plugin.js
+++ b/src/emitter/plugin.js
@@ -12,8 +12,8 @@ export class Emitter2DPlugin extends Plugin {
     app
       .registerType(Particle)
       .registerType(Emitter)
-      .registerSystem(AppSchedule.Update, despawnParticles)
-      .registerSystem(AppSchedule.Update, emitParticles2D)
+      .registerSystem({ schedule: AppSchedule.Update, system: despawnParticles })
+      .registerSystem({ schedule: AppSchedule.Update, system: emitParticles2D })
 
   }
 }
@@ -27,8 +27,8 @@ export class Emitter3DPlugin extends Plugin {
     app
       .registerType(Particle)
       .registerType(Emitter)
-      .registerSystem(AppSchedule.Update, despawnParticles)
-      .registerSystem(AppSchedule.Update, emitParticles3D)
+      .registerSystem({ schedule: AppSchedule.Update, system: despawnParticles })
+      .registerSystem({ schedule: AppSchedule.Update, system: emitParticles3D })
 
   }
 }
diff --git a/src/event/plugin.js b/src/event/plugin.js
index 75657547..70e5567c 100644
--- a/src/event/plugin.js
+++ b/src/event/plugin.js
@@ -1,7 +1,6 @@
 /** @import { Constructor } from '../type/index.js'*/
 
 import { App, Plugin } from '../app/index.js'
-import { SystemConfig } from '../schedule/index.js'
 import { makeEventClear, registerEventTypes } from './systems/index.js'
 import { Events } from './core/index.js'
 import { typeidGeneric } from '../type/index.js'
@@ -44,14 +43,14 @@ export class EventPlugin extends Plugin {
 
     app
       .registerType(event)
-      .registerSystem(AppSchedule.Startup, registerEventTypes(event))
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerEventTypes(event) })
       .getWorld()
       .setResourceByTypeId(name, new Events())
 
     // TODO - Once system ordering is implemented,remove this
     // and `App.systemsevents`.
     if (this.autoClearEvent) {
-      app.systemsevents.push(new SystemConfig(makeEventClear(name), AppSchedule.Update))
+      app.systemsevents.push({ schedule: AppSchedule.Update, system: makeEventClear(name) })
     }
   }
 
diff --git a/src/geometry/plugin.js b/src/geometry/plugin.js
index 8ab7c0a2..5c577b12 100644
--- a/src/geometry/plugin.js
+++ b/src/geometry/plugin.js
@@ -8,6 +8,6 @@ export class GeometryPlugin extends Plugin {
    * @param {App} app
    */
   register(app) {
-    app.registerSystem(AppSchedule.Startup, registerGeometryTypes)
+    app.registerSystem({ schedule: AppSchedule.Startup, system: registerGeometryTypes })
   }
 }
diff --git a/src/gizmo/plugins/2d.js b/src/gizmo/plugins/2d.js
index e6ebd3b8..cb776650 100644
--- a/src/gizmo/plugins/2d.js
+++ b/src/gizmo/plugins/2d.js
@@ -44,8 +44,8 @@ export class Gizmo2DPlugin extends Plugin {
       .getWorld()
       .setResourceByTypeId(typeidGeneric(Gizmo2D, [label]), new Gizmo2D(label, settings))
     app
-      .registerSystem(AppSchedule.Startup, registerGizmo2DTypes(label))
-      .registerSystem(AppSchedule.Update, genenerateDrawGizmo2Dsystem(label))
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerGizmo2DTypes(label) })
+      .registerSystem({ schedule: AppSchedule.Update, system: genenerateDrawGizmo2Dsystem(label) })
   }
 
   name() {
diff --git a/src/gizmo/plugins/3d.js b/src/gizmo/plugins/3d.js
index 6de7df49..2e957b33 100644
--- a/src/gizmo/plugins/3d.js
+++ b/src/gizmo/plugins/3d.js
@@ -44,8 +44,8 @@ export class Gizmo3DPlugin extends Plugin {
       .getWorld()
       .setResourceByTypeId(typeidGeneric(Gizmo3D, [label]), new Gizmo3D(label, settings))
     app
-      .registerSystem(AppSchedule.Startup, registerGizmo3DTypes(label))
-      .registerSystem(AppSchedule.Update, genenerateDrawGizmo3Dsystem(label))
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerGizmo3DTypes(label) })
+      .registerSystem({ schedule: AppSchedule.Update, system: genenerateDrawGizmo3Dsystem(label) })
   }
 
   name() {
diff --git a/src/gravity/plugin.js b/src/gravity/plugin.js
index 9b514574..d8d70344 100644
--- a/src/gravity/plugin.js
+++ b/src/gravity/plugin.js
@@ -26,8 +26,8 @@ export class Gravity2DPlugin extends Plugin {
   register(app) {
     app
       .setResource(new Gravity2D().copy(this.gravity))
-      .registerSystem(AppSchedule.Startup, registerGravity2DTypes)
-      .registerSystem(AppSchedule.Update, applyGravity2D)
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerGravity2DTypes })
+      .registerSystem({ schedule: AppSchedule.Update, system: applyGravity2D })
   }
 }
 
@@ -53,8 +53,8 @@ export class Gravity3DPlugin extends Plugin {
   register(app) {
     app
       .setResource(new Gravity3D().copy(this.gravity))
-      .registerSystem(AppSchedule.Startup, registerGravity3DTypes)
-      .registerSystem(AppSchedule.Update, applyGravity3D)
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerGravity3DTypes })
+      .registerSystem({ schedule: AppSchedule.Update, system: applyGravity3D })
   }
 }
 
diff --git a/src/hierarchy/plugin.js b/src/hierarchy/plugin.js
index 5760718f..1962884d 100644
--- a/src/hierarchy/plugin.js
+++ b/src/hierarchy/plugin.js
@@ -24,6 +24,6 @@ export class HierarchyPlugin extends Plugin {
         removeSelfFromParent,
         null
       ))
-      .registerSystem(AppSchedule.Startup, registerHierarchyTypes)
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerHierarchyTypes })
   }
 }
diff --git a/src/integrator/plugins/euler.js b/src/integrator/plugins/euler.js
index 0f9ba685..422b2fad 100644
--- a/src/integrator/plugins/euler.js
+++ b/src/integrator/plugins/euler.js
@@ -18,10 +18,10 @@ export class EulerIntegrator2DPlugin extends Plugin {
    */
   register(app) {
     app
-      .registerSystem(AppSchedule.Update, updatePositionEuler2D)
-      .registerSystem(AppSchedule.Update, updateVelocityEuler2D)
-      .registerSystem(AppSchedule.Update, updateOrientationEuler2D)
-      .registerSystem(AppSchedule.Update, updateAngularEuler2D)
+      .registerSystem({ schedule: AppSchedule.Update, system: updatePositionEuler2D })
+      .registerSystem({ schedule: AppSchedule.Update, system: updateVelocityEuler2D })
+      .registerSystem({ schedule: AppSchedule.Update, system: updateOrientationEuler2D })
+      .registerSystem({ schedule: AppSchedule.Update, system: updateAngularEuler2D })
   }
 }
 
@@ -32,9 +32,9 @@ export class EulerIntegrator3DPlugin extends Plugin {
    */
   register(app) {
     app
-      .registerSystem(AppSchedule.Update, updatePositionEuler3D)
-      .registerSystem(AppSchedule.Update, updateVelocityEuler3D)
-      .registerSystem(AppSchedule.Update, updateOrientationEuler3D)
-      .registerSystem(AppSchedule.Update, updateAngularEuler3D)
+      .registerSystem({ schedule: AppSchedule.Update, system: updatePositionEuler3D })
+      .registerSystem({ schedule: AppSchedule.Update, system: updateVelocityEuler3D })
+      .registerSystem({ schedule: AppSchedule.Update, system: updateOrientationEuler3D })
+      .registerSystem({ schedule: AppSchedule.Update, system: updateAngularEuler3D })
   }
 }
diff --git a/src/integrator/plugins/verlet.js b/src/integrator/plugins/verlet.js
index b803885e..e7b8bdfa 100644
--- a/src/integrator/plugins/verlet.js
+++ b/src/integrator/plugins/verlet.js
@@ -9,7 +9,7 @@ export class VerletIntegrator2DPlugin extends Plugin {
    */
   register(app) {
     app
-      .registerSystem(AppSchedule.Update, updatePositionVerlet2D)
-      .registerSystem(AppSchedule.Update, updateOrientationVerlet2D)
+      .registerSystem({ schedule: AppSchedule.Update, system: updatePositionVerlet2D })
+      .registerSystem({ schedule: AppSchedule.Update, system: updateOrientationVerlet2D })
   }
 }
diff --git a/src/keyboard/plugin.js b/src/keyboard/plugin.js
index e7987cf0..4fcf0a89 100644
--- a/src/keyboard/plugin.js
+++ b/src/keyboard/plugin.js
@@ -16,8 +16,8 @@ export class KeyboardPlugin extends Plugin {
   register(app) {
     app
       .setResource(new Keyboard())
-      .registerSystem(AppSchedule.Startup, registerKeyboardTypes)
-      .registerSystem(AppSchedule.Update, updateKeyBoard)
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerKeyboardTypes })
+      .registerSystem({ schedule: AppSchedule.Update, system: updateKeyBoard })
   }
 }
 
diff --git a/src/math/plugin.js b/src/math/plugin.js
index ba450734..ee7ea61b 100644
--- a/src/math/plugin.js
+++ b/src/math/plugin.js
@@ -8,6 +8,6 @@ export class MathPlugin extends Plugin {
    * @param {App} app
    */
   register(app) {
-    app.registerSystem(AppSchedule.Startup, registerMathTypes)
+    app.registerSystem({ schedule: AppSchedule.Startup, system: registerMathTypes })
   }
 }
diff --git a/src/mouse/plugin.js b/src/mouse/plugin.js
index bf7af561..11a12e30 100644
--- a/src/mouse/plugin.js
+++ b/src/mouse/plugin.js
@@ -19,9 +19,9 @@ export class MousePlugin extends Plugin {
     app
       .setResource(new Mouse())
       .setResource(new MouseButtons())
-      .registerSystem(AppSchedule.Startup, registerMouseTypes)
-      .registerSystem(AppSchedule.Update, updateMouse)
-      .registerSystem(AppSchedule.Update, updateMouseButtons)
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerMouseTypes })
+      .registerSystem({ schedule: AppSchedule.Update, system: updateMouse })
+      .registerSystem({ schedule: AppSchedule.Update, system: updateMouseButtons })
   }
 }
 
diff --git a/src/movable/plugins/three.js b/src/movable/plugins/three.js
index 38d79d73..cc107134 100644
--- a/src/movable/plugins/three.js
+++ b/src/movable/plugins/three.js
@@ -19,6 +19,6 @@ export class Movable3DPlugin extends Plugin {
       .registerType(Rotation3D)
       .registerType(Acceleration3D)
       .registerType(Torque3D)
-      .registerSystem(AppSchedule.Startup, registerMovable3DTypes)
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerMovable3DTypes })
   }
 }
diff --git a/src/movable/plugins/two.js b/src/movable/plugins/two.js
index acbd0c94..36406084 100644
--- a/src/movable/plugins/two.js
+++ b/src/movable/plugins/two.js
@@ -19,6 +19,6 @@ export class Movable2DPlugin extends Plugin {
       .registerType(Rotation2D)
       .registerType(Acceleration2D)
       .registerType(Torque2D)
-      .registerSystem(AppSchedule.Startup, registerMovable2DTypes)
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerMovable2DTypes })
   }
 }
diff --git a/src/name/plugin.js b/src/name/plugin.js
index bd898935..53a805e2 100644
--- a/src/name/plugin.js
+++ b/src/name/plugin.js
@@ -11,6 +11,6 @@ export class NamePlugin extends Plugin {
   register(app) {
     app
       .registerType(Name)
-      .registerSystem(AppSchedule.Startup, registerNameTypes)
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerNameTypes })
   }
 }
diff --git a/src/narrowphase/plugin.js b/src/narrowphase/plugin.js
index 1641c298..3dad4f50 100644
--- a/src/narrowphase/plugin.js
+++ b/src/narrowphase/plugin.js
@@ -16,7 +16,7 @@ export class NarrowPhase2DPlugin extends Plugin {
     app
       .setResource(new Contacts())
       .setResource(new SATNarrowphase2D())
-      .registerSystem(AppSchedule.Startup, registerNarrowphase2DTypes)
-      .registerSystem(AppSchedule.Update, getSATContacts)
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerNarrowphase2DTypes })
+      .registerSystem({ schedule: AppSchedule.Update, system: getSATContacts })
   }
 }
diff --git a/src/physics/plugins/debugger.js b/src/physics/plugins/debugger.js
index bda94ad6..72f5ac9e 100644
--- a/src/physics/plugins/debugger.js
+++ b/src/physics/plugins/debugger.js
@@ -32,13 +32,13 @@ export class Physics2DDebuggerPlugin extends Plugin {
   register(app) {
     const { options } = this
 
-    if (options.drawPosition) app.registerSystem(AppSchedule.Update, drawPosition)
-    if (options.drawBounds) app.registerSystem(AppSchedule.Update, drawBounds)
-    if (options.drawShapes) app.registerSystem(AppSchedule.Update, drawShapes)
-    if (options.drawCollisionArm) app.registerSystem(AppSchedule.Update, drawArms)
-    if (options.drawContacts) app.registerSystem(AppSchedule.Update, drawContacts)
-    if (options.drawPosition) app.registerSystem(AppSchedule.Update, drawPosition)
-    if (options.drawVelocity) app.registerSystem(AppSchedule.Update, drawVelocity)
+    if (options.drawPosition) app.registerSystem({ schedule: AppSchedule.Update, system: drawPosition })
+    if (options.drawBounds) app.registerSystem({ schedule: AppSchedule.Update, system: drawBounds })
+    if (options.drawShapes) app.registerSystem({ schedule: AppSchedule.Update, system: drawShapes })
+    if (options.drawCollisionArm) app.registerSystem({ schedule: AppSchedule.Update, system: drawArms })
+    if (options.drawContacts) app.registerSystem({ schedule: AppSchedule.Update, system: drawContacts })
+    if (options.drawPosition) app.registerSystem({ schedule: AppSchedule.Update, system: drawPosition })
+    if (options.drawVelocity) app.registerSystem({ schedule: AppSchedule.Update, system: drawVelocity })
   }
 }
 
diff --git a/src/physics/plugins/plugin.js b/src/physics/plugins/plugin.js
index 43e88b30..0c4ec89a 100644
--- a/src/physics/plugins/plugin.js
+++ b/src/physics/plugins/plugin.js
@@ -38,7 +38,7 @@ export class Physics2DPlugin extends Plugin {
       .registerType(PhysicsProperties)
       .registerType(SoftBody2D)
       .registerType(SoftBody3D)
-      .registerSystem(AppSchedule.Startup, registerPhysicsTypes)
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerPhysicsTypes })
       .setComponentHooks(
         PhysicsProperties,
         new ComponentHooks(
@@ -47,15 +47,15 @@ export class Physics2DPlugin extends Plugin {
           physicspropertiesAddHook
         )
       )
-    app.registerSystem(AppSchedule.Update, updateBodies)
+    app.registerSystem({ schedule: AppSchedule.Update, system: updateBodies })
 
-    if (this.autoUpdateBounds) app.registerSystem(AppSchedule.Update, updateBounds)
+    if (this.autoUpdateBounds) app.registerSystem({ schedule: AppSchedule.Update, system: updateBounds })
 
     app
       .registerPlugin(new Gravity2DPlugin())
       .registerPlugin(this.broadphase)
       .registerPlugin(this.narrowphase)
-      .registerSystem(AppSchedule.Update, collisionResponse)
+      .registerSystem({ schedule: AppSchedule.Update, system: collisionResponse })
       .registerPlugin(this.integrator)
   }
 }
diff --git a/src/profiler/plugin.js b/src/profiler/plugin.js
index 48499386..6277fbea 100644
--- a/src/profiler/plugin.js
+++ b/src/profiler/plugin.js
@@ -14,10 +14,10 @@ export class ProfilerPlugin extends Plugin {
   register(app) {
     app.setResource(new Profiler())
     app.setResource(new ProfilerTimer({ duration: 1, mode: TimerMode.Repeat }))
-    app.registerSystem(AppSchedule.Startup, registerProfilerTypes)
+    app.registerSystem({ schedule: AppSchedule.Startup, system: registerProfilerTypes })
     setupProfileViewer(document.body)
-    app.registerSystem(AppSchedule.Update, updateProfileViewer)
-    app.registerSystem(AppSchedule.Update, updateProfileTimer)
+    app.registerSystem({ schedule: AppSchedule.Update, system: updateProfileViewer })
+    app.registerSystem({ schedule: AppSchedule.Update, system: updateProfileTimer })
   }
 }
 
diff --git a/src/reflect/plugin.js b/src/reflect/plugin.js
index 0214eab0..9e33859b 100644
--- a/src/reflect/plugin.js
+++ b/src/reflect/plugin.js
@@ -13,6 +13,6 @@ export class ReflectPlugin extends Plugin {
 
     app
       .setResource(typeregistry)
-      .registerSystem(AppSchedule.Startup, registerReflectTypes)
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerReflectTypes })
   }
 }
diff --git a/src/render-canvas2d/plugin.js b/src/render-canvas2d/plugin.js
index aa212886..f0be06cf 100644
--- a/src/render-canvas2d/plugin.js
+++ b/src/render-canvas2d/plugin.js
@@ -13,7 +13,7 @@ export class Canvas2DRendererPlugin extends Plugin {
   register(app) {
     app
       .setResource(new TextureCache())
-      .registerSystem(AppSchedule.Startup, registerCanvas2DTypes)
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerCanvas2DTypes })
       .registerPlugin(new Canvas2DMaterialPlugin({
         material:BasicMaterial,
         update:renderBasicMaterial
diff --git a/src/render-canvas2d/plugins/index.js b/src/render-canvas2d/plugins/index.js
index 108ac1d6..a1b6ed1d 100644
--- a/src/render-canvas2d/plugins/index.js
+++ b/src/render-canvas2d/plugins/index.js
@@ -39,7 +39,7 @@ export class Canvas2DMaterialPlugin extends Plugin {
   register(app) {
     const { material, update } = this
 
-    app.registerSystem(AppSchedule.Update, genrender(material, update))
+    app.registerSystem({ schedule: AppSchedule.Update, system: genrender(material, update) })
   }
 
   name() {
diff --git a/src/render-core/plugin.js b/src/render-core/plugin.js
index 35de01c8..e4a83e3b 100644
--- a/src/render-core/plugin.js
+++ b/src/render-core/plugin.js
@@ -33,7 +33,7 @@ export class RenderCorePlugin extends Plugin {
     app
       .registerType(Meshed)
       .registerType(Camera)
-      .registerSystem(AppSchedule.Startup, registerRenderCoreTypes)
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerRenderCoreTypes })
       .registerPlugin(new AssetPlugin({
         asset: Image,
         events: {
diff --git a/src/render-core/plugins/material.js b/src/render-core/plugins/material.js
index 0bee5d45..f11a3ee1 100644
--- a/src/render-core/plugins/material.js
+++ b/src/render-core/plugins/material.js
@@ -41,8 +41,8 @@ export class Material2DPlugin extends Plugin {
 
     app
       .registerType(component)
-      .registerSystem(AppSchedule.Startup, registerMaterialTypes(component, asset))
-      .registerSystem(AppSchedule.Update, genBinRenderables2D(asset, component))
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerMaterialTypes(component, asset) })
+      .registerSystem({ schedule: AppSchedule.Update, system: genBinRenderables2D(asset, component) })
   }
 
   /**
@@ -87,8 +87,8 @@ export class Material3DPlugin extends Plugin {
 
     app
       .registerType(component)
-      .registerSystem(AppSchedule.Startup, registerMaterialTypes(component, asset))
-      .registerSystem(AppSchedule.Update, genBinRenderables3D(asset, component))
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerMaterialTypes(component, asset) })
+      .registerSystem({ schedule: AppSchedule.Update, system: genBinRenderables3D(asset, component) })
   }
 
   /**
diff --git a/src/render-webgl/plugin.js b/src/render-webgl/plugin.js
index 26396890..f68f8778 100644
--- a/src/render-webgl/plugin.js
+++ b/src/render-webgl/plugin.js
@@ -25,15 +25,15 @@ export class WebglRendererPlugin extends Plugin {
       .setResource(new ClearColor())
       .setResource(attribute)
       .setResource(new WebglProgramCache())
-      .registerSystem(AppSchedule.Startup, registerWebglTypes)
-      .registerSystem(AppSchedule.Update, registerBuffers)
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerWebglTypes })
+      .registerSystem({ schedule: AppSchedule.Update, system: registerBuffers })
       .registerPlugin(new WebglMaterialPlugin({
         material: BasicMaterial,
         vertex3d: basicMaterial3DVertex,
         fragment3d: basicMaterial3DFragment
       }))
-      .registerSystem(AppSchedule.Update, disposeDroppedMeshes)
-      .registerSystem(AppSchedule.Update, queueMeshes)
+      .registerSystem({ schedule: AppSchedule.Update, system: disposeDroppedMeshes })
+      .registerSystem({ schedule: AppSchedule.Update, system: queueMeshes })
   }
 }
 
diff --git a/src/render-webgl/plugins/index.js b/src/render-webgl/plugins/index.js
index 6eabc419..8b7dc8f7 100644
--- a/src/render-webgl/plugins/index.js
+++ b/src/render-webgl/plugins/index.js
@@ -50,9 +50,9 @@ export class WebglMaterialPlugin {
     const { material, vertex3d, fragment3d } = this
 
     app
-      .registerSystem(AppSchedule.Startup, genRegisterBuffer(material))
-      .registerSystem(AppSchedule.Update, genRenderPipeline(material, vertex3d, fragment3d))
-      .registerSystem(AppSchedule.Update, genRender(material))
+      .registerSystem({ schedule: AppSchedule.Startup, system: genRegisterBuffer(material) })
+      .registerSystem({ schedule: AppSchedule.Update, system: genRenderPipeline(material, vertex3d, fragment3d) })
+      .registerSystem({ schedule: AppSchedule.Update, system: genRender(material) })
   }
 
   name() {
diff --git a/src/scene/plugin.js b/src/scene/plugin.js
index 1f25644b..6fe66aac 100644
--- a/src/scene/plugin.js
+++ b/src/scene/plugin.js
@@ -30,7 +30,7 @@ export class ScenePlugin extends Plugin {
       .setComponentHooks(SceneInstance, new ComponentHooks(
         initSceneInstance
       ))
-      .registerSystem(AppSchedule.Update, spawnScenes)
+      .registerSystem({ schedule: AppSchedule.Update, system: spawnScenes })
 
     const world = app.getWorld()
 
diff --git a/src/schedule/core/systembuilder.js b/src/schedule/core/systembuilder.js
index d06f17e5..2a033e2e 100644
--- a/src/schedule/core/systembuilder.js
+++ b/src/schedule/core/systembuilder.js
@@ -1,6 +1,5 @@
-import { Scheduler } from '../index.js'
+/** @import { Scheduler, SystemConfig } from '../index.js' */
 import { assert } from '../../logger/index.js'
-import { SystemConfig } from './systemconfig.js'
 
 export class SchedulerBuilder {
 
diff --git a/src/schedule/core/systemconfig.js b/src/schedule/core/systemconfig.js
index fc9f9ebe..a2526e52 100644
--- a/src/schedule/core/systemconfig.js
+++ b/src/schedule/core/systemconfig.js
@@ -1,29 +1,11 @@
-/** @import {SystemFunc} from "../../ecs/index.js" */
-export class SystemConfig {
+/** @import { SystemFunc } from "../../ecs/index.js" */
+/** @import { Constructor } from "../../type/index.js" */
 
-  /**
-   * @type {import("../../type/index.js").Constructor | undefined}
-   */
-  systemGroup
+/**
+ * @typedef SystemConfig
+ * @property {SystemFunc} system
+ * @property {string} schedule
+ * @property {Constructor | undefined} [systemGroup]
+ */
 
-  /**
-   * @type {SystemFunc}
-   */
-  system
-
-  /**
-   * @type {string}
-   */
-  schedule
-
-  /**
-   * @param {SystemFunc} system
-   * @param {string} schedule
-   * @param {import("../../type/index.js").Constructor | undefined} [systemGroup]
-   */
-  constructor(system, schedule, systemGroup) {
-    this.system = system
-    this.schedule = schedule
-    this.systemGroup = systemGroup
-  }
-}
+export default {}
diff --git a/src/storage/plugin.js b/src/storage/plugin.js
index e6e774d9..ff1bd0fb 100644
--- a/src/storage/plugin.js
+++ b/src/storage/plugin.js
@@ -13,6 +13,6 @@ export class StoragePlugin extends Plugin {
       .setResource(new Session())
       .setResource(new Storage())
       .setResource(new Cookies())
-      .registerSystem(AppSchedule.Startup, registerStorageTypes)
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerStorageTypes })
   }
 }
diff --git a/src/time/plugin.js b/src/time/plugin.js
index 1757057a..627a4488 100644
--- a/src/time/plugin.js
+++ b/src/time/plugin.js
@@ -14,10 +14,10 @@ export class TimePlugin extends Plugin {
   register(app) {
     app
       .registerType(Timer)
-      .registerSystem(AppSchedule.Startup, registerTimeTypes)
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerTimeTypes })
       .setResource(new VirtualClock())
-      .registerSystem(AppSchedule.Update, updateVirtualClock)
-      .registerSystem(AppSchedule.Update, updateTimers)
+      .registerSystem({ schedule: AppSchedule.Update, system: updateVirtualClock })
+      .registerSystem({ schedule: AppSchedule.Update, system: updateTimers })
   }
 }
 
diff --git a/src/touch/plugin.js b/src/touch/plugin.js
index 0402c598..649a39a8 100644
--- a/src/touch/plugin.js
+++ b/src/touch/plugin.js
@@ -15,9 +15,9 @@ export class TouchPlugin extends Plugin {
    */
   register(app) {
     app
-      .registerSystem(AppSchedule.Update, updateTouch)
+      .registerSystem({ schedule: AppSchedule.Update, system: updateTouch })
       .setResource(new Touches())
-      .registerSystem(AppSchedule.Startup, registerTouchTypes)
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerTouchTypes })
   }
 }
 
diff --git a/src/transform/plugins/remote.js b/src/transform/plugins/remote.js
index 59585221..bbe642c0 100644
--- a/src/transform/plugins/remote.js
+++ b/src/transform/plugins/remote.js
@@ -11,8 +11,8 @@ export class RemoteTransform2DPlugin extends Plugin {
   register(app) {
     app
       .registerType(RemoteTransform2D)
-      .registerSystem(AppSchedule.Startup, registerRemoteTransform2DTypes)
-      .registerSystem(AppSchedule.Update, transformRemote2D)
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerRemoteTransform2DTypes })
+      .registerSystem({ schedule: AppSchedule.Update, system: transformRemote2D })
   }
 }
 
@@ -24,7 +24,7 @@ export class RemoteTransform3DPlugin extends Plugin {
   register(app) {
     app
       .registerType(RemoteTransform3D)
-      .registerSystem(AppSchedule.Startup, registerRemoteTransform3DTypes)
-      .registerSystem(AppSchedule.Update, transformRemote3D)
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerRemoteTransform3DTypes })
+      .registerSystem({ schedule: AppSchedule.Update, system: transformRemote3D })
   }
 }
diff --git a/src/transform/plugins/transform.js b/src/transform/plugins/transform.js
index 54ec5b77..0520bc34 100644
--- a/src/transform/plugins/transform.js
+++ b/src/transform/plugins/transform.js
@@ -23,9 +23,9 @@ export class Transform2DPlugin extends Plugin {
       .registerType(Orientation2D)
       .registerType(Scale2D)
       .registerType(GlobalTransform2D)
-      .registerSystem(AppSchedule.Startup, registerTransform2DTypes)
-      .registerSystem(AppSchedule.Update, synctransform2D)
-      .registerSystem(AppSchedule.Update, propagateTransform2D)
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerTransform2DTypes })
+      .registerSystem({ schedule: AppSchedule.Update, system: synctransform2D })
+      .registerSystem({ schedule: AppSchedule.Update, system: propagateTransform2D })
   }
 }
 
@@ -40,8 +40,8 @@ export class Transform3DPlugin extends Plugin {
       .registerType(Orientation3D)
       .registerType(Scale3D)
       .registerType(GlobalTransform3D)
-      .registerSystem(AppSchedule.Startup, registerTransform3DTypes)
-      .registerSystem(AppSchedule.Update, synctransform3D)
-      .registerSystem(AppSchedule.Update, propagateTransform3D)
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerTransform3DTypes })
+      .registerSystem({ schedule: AppSchedule.Update, system: synctransform3D })
+      .registerSystem({ schedule: AppSchedule.Update, system: propagateTransform3D })
   }
 }
diff --git a/src/tween/plugin.js b/src/tween/plugin.js
index 2e02d378..76c6408f 100644
--- a/src/tween/plugin.js
+++ b/src/tween/plugin.js
@@ -101,10 +101,10 @@ export class TweenPlugin extends Plugin {
       .registerType(this.tween)
       .registerType(TweenFlip)
       .registerType(TweenRepeat)
-      .registerSystem(AppSchedule.Update, generateTweenFlipSystem(this.tween))
-      .registerSystem(AppSchedule.Update, generateTweenRepeatTween(this.tween))
-      .registerSystem(AppSchedule.Update, generateTweenTimerSystem(this.tween))
-      .registerSystem(AppSchedule.Update, generateTweenUpdateSystem(this.component, this.tween, this.interpolation))
+      .registerSystem({ schedule: AppSchedule.Update, system: generateTweenFlipSystem(this.tween) })
+      .registerSystem({ schedule: AppSchedule.Update, system: generateTweenRepeatTween(this.tween) })
+      .registerSystem({ schedule: AppSchedule.Update, system: generateTweenTimerSystem(this.tween) })
+      .registerSystem({ schedule: AppSchedule.Update, system: generateTweenUpdateSystem(this.component, this.tween, this.interpolation) })
   }
 
   name() {
diff --git a/src/window/plugin.js b/src/window/plugin.js
index 8bbfd925..e4fbd1c0 100644
--- a/src/window/plugin.js
+++ b/src/window/plugin.js
@@ -55,7 +55,7 @@ export class WindowPlugin extends Plugin {
     app
       .registerType(Window)
       .registerType(MainWindow)
-      .registerSystem(AppSchedule.Startup, registerWindowTypes)
+      .registerSystem({ schedule: AppSchedule.Startup, system: registerWindowTypes })
       .registerPlugin(new EventPlugin({
         event:WindowMove
       }))
@@ -97,7 +97,7 @@ export class WindowPlugin extends Plugin {
       }))
       .setResource(new Windows())
 
-    if (this.initPrimaryWindow) app.registerSystem(AppSchedule.Startup, initPrimaryWindow)
+    if (this.initPrimaryWindow) app.registerSystem({ schedule: AppSchedule.Startup, system: initPrimaryWindow })
   }
 }