This operation starts the specified action instance using the given action operation data.
The action operation data is first merged with the current operation data before it is
passed on to the action. After the action has completed the action operation data properties
are removed from the current operation data.
This operation starts the specified action instance using the given action operation data.
The action operation data is first merged with the current operation data before it is passed on to the action. After the action has completed the action operation data properties are removed from the current operation data.