Allows to alter an event and allow to stop sending it as well

logs_http.api.php

@@ -0,0 +1,19 @@
+<?php
+
+/**
+ * @file
+ * Documents API functions for logs_http module.
+ */
+
+/**
+ * Alter the event which is going to be sent to the log service.
+ *
+ * Additionally you can stop sending an event to the log service by setting
+ * $event['send'] to FALSE. Useful for local environments, where this
+ * feature needs to be disabled.
+ */
+function hook_logs_http_event_alter(&$event) {
+  if (Settings::get('environment') == 'local') {
+    $event['send'] = FALSE;
+  }
+}

logs_http.module

@@ -82,6 +82,18 @@ function logs_http_shutdown() {
 
   // Send events to logs.
   foreach ($events as $event) {
+    // Allows to alter an event by adding new properties, or completely disable
+    // sending an event to the log service by setting $event['send'] = FALSE;
+    $event['send'] = TRUE;
+    $module_handler = \Drupal::moduleHandler();
+    $module_handler->alter('logs_http_event', $event);
+
+    // If event does not want be sent, continue with the next one.
+    if (empty($event['send'])) {
+      continue;
+    }
+
+    unset($event['send']);
     $client = \Drupal::httpClient();
 
     try {