Xml starbit value

hi, I was confused about creating an xml file based on the can messages received on the RD monitor with the usb canbus adapter.Can you help me?how is it necessary to determine the starbit value based on the values that change in the incoming data?how can i do it using xml file thanks

Startbit is only used if you are reading individual bits in byte. Here is a full documentation of CAN XML format:

https://github.com/janimm/RealDash-extras/tree/master/RealDash-CAN