This plugin does not implement PoGo pins inputs

as per the XR_HTCX_vive_tracker_interaction spec, both booleans and floats are available:

_This interaction profile represents the input sources and haptics on the VIVE Tracker_.
_Supported component paths:_
_• …/input/system/click (may not be available for application use)_
_• …/input/menu/click_
_• …/input/trigger/click_
 ...