def post_user_contact_lists_contacts(self, id, contact_list_id, **data):
        """
        POST /users/:id/contact_lists/:contact_list_id/contacts/
        Adds a new contact to the contact list. Returns ``{"created": true}``.
        There is no way to update entries in the list; just delete the old one
        and add the updated version.
        """
        
        return self.post("/users/{0}/contact_lists/{0}/contacts/".format(id,contact_list_id), data=data)
POST /users/:id/contact_lists/:contact_list_id/contacts/
        Adds a new contact to the contact list. Returns ``{"created": true}``.
        There is no way to update entries in the list; just delete the old one
        and add the updated version.