//Create the form according to the FormType created previously.
//And give the proper parameters
$form = $this->createForm('Rapsys\AirBundle\Form\CalendarType', ['calendar' => $this->config['calendar']['calendar'], 'prefix' => $this->config['calendar']['prefix']], [
//Create the form according to the FormType created previously.
//And give the proper parameters
$form = $this->createForm('Rapsys\AirBundle\Form\CalendarType', ['calendar' => $this->config['calendar']['calendar'], 'prefix' => $this->config['calendar']['prefix']], [