I've been asked to create a report that includes the date that certain entity properties, such as description, were last modified. It's easy to create a new extended attribute "Description Modification Date", which could be set within a validation event handler, which would set the date if the Description has been modified. The question is, how can the event handler tell a given property has been amended? I'd like access to the Description property as it was prior to the change. It's obviously available in the Undo log, if that's accessible.
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