AddPeopleModule::toString PHP Метод

    public function toString()
    {
        // Simplify our permission logic
        $ConversationExists = is_object($this->Conversation) && $this->Conversation->ConversationID > 0;
        $CanAddUsers = $this->AddUserAllowed && checkPermission('Conversations.Conversations.Add');
        if ($ConversationExists && $CanAddUsers) {
            return parent::toString();
        }
        return '';
    }