Symfony\Component\Form\FormConfigBuilderInterface::addEventListener
Adds an event listener to an event on this form.
Signature
public function addEventListener(string
$eventName,
[callable
$listener = 0,
[integer
$priority = 0]] )
Parameters
$eventName
—
string
- The name of the event to listen to.
$listener
—
object
- The listener to execute.
$priority
—
integer
- The priority of the listener. Listeners
with a higher priority are called before
listeners with a lower priority.
Returns
- self
- The configuration object.