Azure Dynamic Device group based on primary assigned user

I'm looking for documentation or guidance that would allow for me to create a Dynamic device group based on the Primary User assigned to the device in Azure AD/EndPoint Manager.

This Pageprovides some info regarding certain device attributes, but nothing regarding the Primary User assigned to the device.

My overall goal is to create dynamic device security groups based on certain attributes from the primary User assigned to the device so that when the device is later assigned to someone else, the dynamic device group membership is automatically changed when the primary user is updated.

Any assistance regarding this would be appreciated.

Edit:
Searching Graph will show a number of attributes, but none will show what I'm looking for unfortunately. Similarly, I haven't found anything listed in Graph under the user attributes that reveal the...