Autocomplete rule to identify the create and edit requisition action

Summary:

Hi Team,

We have create a object validation rule on "Job Requisition" to throw an error whenever the position has no vacant head count left and overlap allowed in "N".

Its working fine, however I would want it to trigger only during "Create/Edit Job requisition" action only.

Can anyone please help me how to add that as the rule is trigerring while filling job requisition as well.

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