@Stonecold31666 , Based on my research, I find the following strings are for device name template:
{{SERIAL}} device's serial number and
{{DEVICETYPE}} device's device type
https://learn.microsoft.com/en-us/mem/intune/enrollment/tutorial-use-device-enrollment-program-enroll-ios
If you want more variable, we can feedback in Intune uservoice or vorte in the following link:
https://microsoftintune.uservoice.com/forums/291681-ideas/suggestions/38202112-allow-user-name-in-device-name-template
Hope it can help.
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