Note: This PRAction documentation is out-dated and is for an older (pre-GMS v2.3) version of PRAction. For the most up-to-date docs on the latest version of PRAction, please refer to this page as well as the documentation included in the PRAction package.
When this action is played by an object, it will instantly stop playing all of that object's currently playing actions.
PRActionStopAllActions(obj)
The object whose action(s) will stop playing.
The created action object.