InviteAccessControl::onBeforeAction

public function onBeforeAction(Event $event)
{
	if (!IntranetInvitation::canCurrentUserInvite())
	{
		$this->addError(new Error(
			'Access denied.',
			'INTRANET_CONTROLLER_INVITE_NO_PERMISSIONS'
		));

		return new EventResult(EventResult::ERROR, null, null, $this);
	}

	return null;
}