module/User/src/Grid/User/Authentication/Service.php
public function onLogin( Event $event )
    {
        $adapter = $this->getAuthenticationAdapterFactory()
                        ->factory( $event->getParams() );
        $result  = $event->getAuthenticationService()
                         ->authenticate( $adapter );
        $event->setResult( $result );
        return $result;
    }
public function onLogin( Event $event )
    {
        $adapter = $this->getAuthenticationAdapterFactory()
                        ->factory( $event->getParams() );
        $result  = $event->getAuthenticationService()
                         ->authenticate( $adapter );
        $event->setResult( $result );
        return $result;
    }
public function onLogin ( Event $ event ) { $ adapter = $ this -> getAuthenticationAdapterFactory ( ) -> factory ( $ event -> getParams ( ) ) ; $ result = $ event -> getAuthenticationService ( ) -> authenticate ( $ adapter ) ; $ event -> setResult ( $ result ) ; return $ result ; }
Default action on login

@param   \User\Authentication\Event  $event
@return  \Zend\Authentication\Result
Default action on login