'Constructs a CredentialListContext
:param sid: The sid
:returns: twilio.rest.trunking.v1.trunk.credential_list.CredentialListContext
:rtype: twilio.rest.trunking.v1.trunk.credential_list.CredentialListContext'

def __call__(self, sid):

    return CredentialListContext(self._version, trunk_sid=self._solution['trunk_sid'], sid=sid)
