Triggered when an XrController's XrInputSource is added. The handler receives the XrController associated with the added XrInputSource.
XrInputSource
Triggered when an XrController's XrInputSource is removed. The handler receives the XrController associated with the removed XrInputSource.
Triggered when an XrController's
XrInputSource
is added. The handler receives the XrController associated with the addedXrInputSource
.