Today’s Friday Fact focuses on a simple yet critical aspect of testing Logic Apps in the Azure Portal.
After finalizing the Logic App design and completing a successful run, you gain confidence that the workflow behaves as expected.

However, imagine you decide to change the Logic App trigger name later on.

If you attempt to resubmit an old run, you might encounter the following error:

Failed to resubmit logic app 'YOUR_LOGIC_APP_NAME'. The workflow 'YOUR_WORKFLOW_NAME' trigger 'YOUR_TRIGGER_NAME' could not be found.

📝 One-Minute Brief
Trigger name consistency in Azure Logic Apps plays a critical role during resubmissions and recovery scenarios. In this Friday Fact, you’ll learn why keeping trigger names unchanged is essential to ensure successful resubmissions, especially when workflows are re-deployed or updated. Understanding this subtle but important behavior helps prevent failed resubmissions, unexpected errors, and downtime in enterprise integration solutions.
Of course, you can still send a request via Postman, or let your Logic App trigger, if said trigger triggers on its own (no pun intended), and proceed from there. However, attempting to resubmit an old run with the previous trigger name will result in the Logic App failing to start.
Interestingly, you can change your entire Logic App design, as long as you keep the trigger name intact, you can resubmit an old run without encountering any issues.
This leads us to an important key phrase:
“Start using proper names from day one!”

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Hope you have enjoyed this Friday Fact, and we will see you in the next one.