| public addCommand ( $sourceStateName, string $eventName, SplObserver $command ) | ||
| $sourceStateName | ||
| $eventName | string | |
| $command | SplObserver | |
public function addCommand($sourceStateName, $eventName, \SplObserver $command)
{
$this->findOrCreateEvent($sourceStateName, $eventName)->attach($command);
}