How can I add custom controller in OpenXR Runtime?

OpenXR
1

is there some doc for I add third party contoller in OpenXR runtime ?
how do I transform input to Xraction? and Which interface to which pose is docked（is it xrLocateSpace）？

2

There is currently no standard way to add third-party devices to an OpenXR runtime. Some devices can be supported to a degree by making an API layer, but it’s awkward. Other than that, you will need to talk to individual runtime vendors to get your device supported.