When Does Notion Trigger Fire on Changed Database Pages?

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I’m using Notion Trigger on changed database pages, polling every 15 Minutes on changing of some property fields.
I wonder in which cases the trigger runs, I observed:
a. If I change a field manually → trigger fired
b. If the field is changed by a Notion action (e.g. button) → trigger does not fire
c. If the field is a formula field and the calculated value changes > trigger does not fire
d. if the field is a formula field the formula is edited → trigger fired for the page were the formula is edited

Can anyone confirm this? Is there a way to fire the trigger when the value of the formula field changes?

Hi ,

Can anyone confirm this? Is there a way to fire the trigger when the value of the formula field changes?
I can confirm the behaviors. Only field manually updated (via a person or API) will get the Pipedream source triggered.

This is a limitation on Notion API that we have no control over.

thank you!