def __call__(self, sid):
return AuthCallsCredentialListMappingContext(<EOL>self._version,<EOL>account_sid=self._solution['<STR_LIT>'],<EOL>domain_sid=self._solution['<STR_LIT>'],<EOL>sid=sid,<EOL>)<EOL>
Constructs a AuthCallsCredentialListMappingContext

:param sid: The unique string that identifies the resource

:returns: twilio.rest.api.v2010.account.sip.domain.auth_types.auth_calls_mapping.auth_calls_credential_list_mapping.AuthCallsCredentialListMappingContext
:rtype: twilio.rest.api.v2010.account.sip.domain.auth_types.auth_calls_mapping.auth_calls_credential_list_mapping.AuthCallsCredentialListMappingContext