ConversationsHooks::profileController_afterPreferencesDefined_handler PHP Method

    public function profileController_afterPreferencesDefined_handler($Sender)
    {
        $Sender->Preferences['Notifications']['Email.ConversationMessage'] = t('Notify me of private messages.');
        $Sender->Preferences['Notifications']['Popup.ConversationMessage'] = t('Notify me of private messages.');
    }