Hi Mark @needabitofhelp,

When it comes to the Request/Request item process, once a request is submitted, the 'Variables' are not updated so therefore there would be no Variable history or audit data. 

You would however be able to see the high-level history against a Request and Request item with regards to its lifecycle, who it was assigned to and approved by etc. (Request Item table columns and non 'Variable' values)

I'm not sure if I've answered your question here. Please expand on any specific questions or use cases and I'll see how I can help or advise.

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Thanks, Robbie