docs: def get_all_contacts_of_client(self, client_id):
          """
          Get all contacts of client
          This will iterate over all pages until it gets all elements.
          So if the rate limit exceeded it will throw an Exception and you will get nothing
  
          :param client_id: The id of the client
          :return: list
          """
          return self._iterate_through_pages(
              get_function=self.get_contacts_of_client_per_page,
              resource=CONTACTS,
              **{'client_id': client_id}
          )