Constructs an instance of UFCallbackAction.
Callback to call when the action is run.
The progress, a value between 0.0 and 1.0 (inclusive).
Gets the progress weight.
Runs the action asynchronously.
A cancellation token which the action can check while running if the action still can continue.
true if the action was successful, false if the action failed or was cancelled.
A simple action to call a callback when run.