Is it possible to count/loop how many actions are made?

Summary:

Hi,

we are currently working with an autocomplete rule that shows an error message if the action performed is more than twice.

Specifically, during an Extension of a Contract if a Contract is modified more than twice. The error message should trigger.

Is it possible with autocomplete rules?

I was thinking about using the rowvarset to loop the contracts, but extending an existing one, I can't figure out on how to count the actions performed for that contract.

Thank you in advance.

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