Hi Team.
I found this document.https://success.outsystems.com/documentation/outsystems_developer_cloud/outsystems_language_and_elements/libraries/datetime/
So.. I tried use DiffMonths in my outsystems Text Value. but it's cant
Cay you give some advice about this ?
The error "Unknown Function 'XXX' in expression" means a wrong assignment and you may used mixed action types, you may need to create an action to use DiffMonthes as a function.
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