def create_item(self, item):
        """
        Create a new item in D4S2 service for item at the specified destination.
        :param item: D4S2Item data to use for creating a D4S2 item
        :return: requests.Response containing the successful result
        """
        item_dict = {
            'project_id': item.project_id,
            'from_user_id': item.from_user_id,
            'to_user_id': item.to_user_id,
            'role': item.auth_role,
            'user_message': item.user_message
        }
        if item.share_user_ids:
            item_dict['share_user_ids'] = item.share_user_ids
        data = json.dumps(item_dict)
        resp = requests.post(self.make_url(item.destination), headers=self.json_headers, data=data)
        self.check_response(resp)
        return resp