Tagging Emails with Reference Numbers

Hi Guys,
I’ve recently been tasked with setting up Email interactions for our Service Desk, they wanted to be able to tag with a reference number similarly to how they already to with Calls.
Is there any way of doing this?
Thanks for your help,

Hi Ed,

I think it would worth us having a discussion directly to better understand your requirements here. Can you reach out to me via email at jonathan.gunner@netcall.com