*SendBetterEmail* - _Flow Action_ - Task Created on Related Record Even When Save Email as Task Is Disabled

[igorszymonczyk]

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Bug report submitted after full reproducibility testing in Salesforce Flow.

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Steps to reproduce

1. Add SendBetterEmail action inside a Record-Triggered Flow.

2. Configure the action with:

   • Save Email as Activity on Recipient Record = TRUE
   • Save Email as Task on recipient related record = FALSE
   • Related Record ID = Case Id
   • Email Template Id = populated
   • Subject = blank (to allow Email Template Subject to be used)

3. Trigger the Flow so the email is sent.

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Expected result

• Email sends successfully using Lightning Email Template subject/body.
• EmailMessage activity is logged.
• No Task record should be created on the Related Case because Save Email as Task on recipient related record is disabled.

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Actual result

A Task record is still created on the Related Case.

Because Subject is intentionally blank in the Flow Action, the generated Task is logged with:

Subject = "Sent Email: null"

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Additional troubleshooting already performed

Scenario 1 — Populate Subject in Flow Action

If Subject is populated manually in SendBetterEmail:

• Task no longer shows "null"
• but Lightning Email Template content is no longer respected correctly and a blank email body is sent.

Scenario 2 — Remove Related Record ID

If Related Record ID is removed:

• Task is not created
• however Email Template merge fields based on Case object (example: {!Case.CaseNumber}) no longer resolve.

This indicates that providing Related Record ID may be internally forcing Task creation regardless of the Save Email as Task flag.

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Questions / Suspected Bug

• Is Task creation implicitly tied to RelatedRecordId in the current Apex implementation?

• Should Save Email as Task = FALSE suppress all Task creation?

• Is there a supported way to:

  • keep Related Record ID for template merge fields,
  • log EmailMessage activity only,
  • and prevent Task creation?

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Salesforce Environment

• Salesforce Edition: Enterprise Sandbox
• Flow Type: Record-Triggered Flow
• Object: Case
• Email Template Type: Lightning Email Template

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Package Version

Package Version

3.18 (FlowActionsBasePack / UnofficialSF / namespace usf3)
Issue reproduced on FlowActionsBasePack version 3.18.
Please let me know if this behavior was addressed in any later release.