Approval flow when employee updates his name and when he updates his contacts name

Summary:

Change Personal Information is enabled.

Redwood Family and Emergency contacts and Personal Details page is being used.

Requirement is that when employee updates his name, then approval should trigger.

When employee updates his contacts name, then approval should not trigger.

How can we segregate this?

Current behavior is: All name change transactions(whether employees initiates for himself or his contact) is triggered for approval.

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