How to track Maintenance Work Definition changes

Summary:

Requirement is to track all changes made in maintenance work definition

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As Audit trail functionality is not their for Maintenance Work Definition, how to track changes made in maintenance work definition without version creation.

version is mandatory only when addition/deletion of an operation so how to track changes if someone made changes in item/resource/operation data

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