How to add Gneric NFC tag to a user.

Get an NFC scanner app on phone like TagInfo
Full Scan your NFC Tag. 
you should see an ID code in a hexi-format. Exmaple above is 04:4C:50:0A:BD:1D:90, strip colons from this id to create 044C500ABD1D90
Convert this Hexadecimal to Decimal value = 1209806568103312
Open Geotab > People > Users and Drivers > Person > Open Driver Tab
Add Custom NFC > Click Save.
This may take a little bit to be attached to the user. 
When the user taps to login inside the vehicle, it wont update in Geotab until the device communicates. This can take 5-40 minutes, depending if the car is idle etc. 
When the user turns the vehicle off it will log them out, they will need to tap on EVERY time they get into a vehicle.