Send Trigger sends a trigger message to the specified object. Any Event Receivers with the
Trigger event type on them will fire their actions.
The object to send the trigger to.
Triggers are a way to break up and reuse action sequences. If you find yourself reproducing the same sequence of actions over and over, consider moving that sequnece into an object with a Trigger Event Receiver and using Send Trigger action to invoke it from different action sequences.