cs
// returns true if the primary button (typically “A”) is currently pressed.
OVRInput.Get(OVRInput.Button.One);
// returns true if the primary button (typically “A”) was pressed this frame.
OVRInput.GetDown(OVRInput.Button.One);
// returns true if the “X” button was released this frame.
OVRInput.GetUp(OVRInput.RawButton.X);
https://developer.oculus.com/documentation/unity/latest/concepts/unity-ovrinput/