Don’t have WMR, but as per WindowsMixedRealitySpatialInput.cpp,
Actions:
EKeys::MotionController_Left_Trigger
EKeys::MotionController_Right_Trigger
EKeys::MotionController_Left_Grip1
EKeys::MotionController_Right_Grip1
FSpatialInputKeys::LeftMenu
FSpatialInputKeys::RightMenu
EKeys::MotionController_Left_Thumbstick
EKeys::MotionController_Right_Thumbstick
FSpatialInputKeys::LeftTouchpadPress
FSpatialInputKeys::RightTouchpadPress
FSpatialInputKeys::LeftTouchpadIsTouched
FSpatialInputKeys::RightTouchpadIsTouched
Axes:
EKeys::MotionController_Left_TriggerAxis
EKeys::MotionController_Right_TriggerAxis
EKeys::MotionController_Left_Thumbstick_X
EKeys::MotionController_Right_Thumbstick_X
EKeys::MotionController_Left_Thumbstick_Y
EKeys::MotionController_Right_Thumbstick_Y
FSpatialInputKeys::LeftTouchpadX
FSpatialInputKeys::RightTouchpadX
FSpatialInputKeys::LeftTouchpadY
FSpatialInputKeys::RightTouchpadY
