Sends events based on Touch Phases. Optionally filter by a fingerID.
An optional Finger Id to filter by. For example, if you detected a Touch Began and stored the FingerId, you could look for the Ended event for that Finger Id.
The phase you're interested in detecting (Began, Moved, Stationary, Ended, Cancelled).
The event to send when the Touch Phase is detected.
Store Finger Id
Store the Finger Id associated with the touch event for later use.