Class ModelGroupCallbackListener

Class ModelGroupCallbackListener.

Handler for the group header callbacks of a property.

DcGeneral\Contao\Callback\ModelGroupCallbackListener

Namespace: DcGeneral\Contao\Callback
Package: DcGeneral\Contao\Callback
Located at Contao/Callback/ModelGroupCallbackListener.php

Methods summary
`public array`	# `getArgs( DcGeneral\Contao\View\Contao2BackendView\Event\GetGroupHeaderEvent $event )` Retrieve the arguments for the callback. Retrieve the arguments for the callback. Parameters `$event` `DcGeneral\Contao\View\Contao2BackendView\Event\GetGroupHeaderEvent` $event The event being emitted. Returns `array`
`public`	# `update( DcGeneral\Contao\View\Contao2BackendView\Event\GetGroupHeaderEvent $event, string $value )` Set the value in the event. Set the value in the event. Parameters `$event` `DcGeneral\Contao\View\Contao2BackendView\Event\GetGroupHeaderEvent` $event The event being emitted. `$value` `string` $value The value returned by the callback.

Methods inherited from DcGeneral\Contao\Callback\AbstractReturningCallbackListener
`__invoke()`

Methods inherited from DcGeneral\Contao\Callback\AbstractCallbackListener
`__construct(), getCallback()`

Properties inherited from DcGeneral\Contao\Callback\AbstractCallbackListener
`$callback`