protected function callCustom($key, array $parameters = [])
    {
        return $this->app->call($this->customCreators[$key], $parameters);
    }
protected function callCustom($key, array $parameters = [])
    {
        return $this->app->call($this->customCreators[$key], $parameters);
    }
protected function callCustom ( $ key , array $ parameters = [ ] ) { return $ this -> app -> call ( $ this -> customCreators [ $ key ] , $ parameters ) ; }
Call a custom creator.

@param  string  $key
@param  array  $parameters
@return mixed
Call a custom creator .