The Required Property Value error is issued in the following situations:

Set the corresponding property or argument to a suitable value or associate an expression to the element displayed in the TrueChangeTM result.

Set the corresponding property or argument to a suitable value or associate an expression to the element displayed in the TrueChangeTM result.

Click the symbol and change the property that is indicated in the error.

Set the 'URL Path' property of the REST API method to a valid URL.

Clicking the symbol will take you directly to the missing property.

See Also

About Expressions | About Error Messages