def create_account_invitation(self, account_id, body, **kwargs):  # noqa: E501
        """Create a user invitation.  # noqa: E501

        An endpoint for inviting a new or an existing user to join the account.   **Example usage:** `curl -X POST https://api.us-east-1.mbedcloud.com/v3/accouns/{account-id}/user-invitations -d {\"email\": \"myemail@company.com\"} -H 'content-type: application/json' -H 'Authorization: Bearer API_KEY'`  # noqa: E501
        This method makes a synchronous HTTP request by default. To make an
        asynchronous HTTP request, please pass asynchronous=True
        >>> thread = api.create_account_invitation(account_id, body, asynchronous=True)
        >>> result = thread.get()

        :param asynchronous bool
        :param str account_id: Account ID. (required)
        :param UserInvitationReq body: A user invitation object with attributes. (required)
        :return: UserInvitationResp
                 If the method is called asynchronously,
                 returns the request thread.
        """
        kwargs['_return_http_data_only'] = True
        if kwargs.get('asynchronous'):
            return self.create_account_invitation_with_http_info(account_id, body, **kwargs)  # noqa: E501
        else:
            (data) = self.create_account_invitation_with_http_info(account_id, body, **kwargs)  # noqa: E501
            return data