code: protected function fireMoveEvent($event, $halt = true) {
      if ( !isset(static::$dispatcher) ) return true;
  
      // Basically the same as \Illuminate\Database\Eloquent\Model->fireModelEvent
      // but we relay the event into the node instance.
      $event = "eloquent.{$event}: ".get_class($this->node);
  
      $method = $halt ? 'until' : 'fire';
  
      return static::$dispatcher->$method($event, $this->node);
    }
docs: Fire the given move event for the model.
  
  @param  string $event
  @param  bool   $halt
  @return mixed