how to configure approval rule for task IntProfileChangeRequestApproval basis procurement BU

Summary:

We need to trigger approval for task IntProfileChangeRequestApproval in such a way when change in supplier bank details happen for supplier site of some specific procurment BU only , not all.

Content (required):

We reviewed attributes available to define if condition for rules for this task , however procurement BU condition is not available.

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Code Snippet (add any code snippets that support your topic, if applicable):