code: def create(self, credential_list_sid):
          
          data = values.of({'CredentialListSid': credential_list_sid, })
  
          payload = self._version.create(
              'POST',
              self._uri,
              data=data,
          )
  
          return CredentialListInstance(self._version, payload, trunk_sid=self._solution['trunk_sid'], )
docs: Create a new CredentialListInstance
  
          :param unicode credential_list_sid: The SID of the Credential List that you want to associate with the trunk
  
          :returns: Newly created CredentialListInstance
          :rtype: twilio.rest.trunking.v1.trunk.credential_list.CredentialListInstance