docs: def list(self, deal_id, **params):
          """
          Retrieve deal's associated contacts
  
          Returns all deal associated contacts
  
          :calls: ``get /deals/{deal_id}/associated_contacts``
          :param int deal_id: Unique identifier of a Deal.
          :param dict params: (optional) Search options.
          :return: List of dictionaries that support attriubte-style access, which represent collection of AssociatedContacts.
          :rtype: list
          """
  
          _, _, associated_contacts = self.http_client.get("/deals/{deal_id}/associated_contacts".format(deal_id=deal_id), params=params)
          return associated_contacts