How to use the azure-cognitiveservices-vision-face.azure.cognitiveservices.vision.face.models function in azure-cognitiveservices-vision-face

# Construct headers
        header_parameters = {}
        header_parameters['Content-Type'] = 'application/json; charset=utf-8'
        if custom_headers:
            header_parameters.update(custom_headers)

        # Construct body
        body_content = self._serialize.body(body, 'NameAndUserDataContract')

        # Construct and send request
        request = self._client.patch(url, query_parameters, header_parameters, body_content)
        response = self._client.send(request, stream=False, **operation_config)

        if response.status_code not in [200]:
            raise models.APIErrorException(self._deserialize, response)

        if raw:
            client_raw_response = ClientRawResponse(None, response)
            return client_raw_response
    update.metadata = {'url': '/largepersongroups/{largePersonGroupId}'}

# Construct headers
        header_parameters = {}
        header_parameters['Accept'] = 'application/json'
        header_parameters['Content-Type'] = 'application/json; charset=utf-8'
        if custom_headers:
            header_parameters.update(custom_headers)

        # Construct body
        body_content = self._serialize.body(body, 'GroupRequest')

        # Construct and send request
        request = self._client.post(url, query_parameters, header_parameters, body_content)
        response = self._client.send(request, stream=False, **operation_config)

        if response.status_code not in [200]:
            raise models.APIErrorException(self._deserialize, response)

        deserialized = None

        if response.status_code == 200:
            deserialized = self._deserialize('GroupResult', response)

        if raw:
            client_raw_response = ClientRawResponse(deserialized, response)
            return client_raw_response

        return deserialized
    group.metadata = {'url': '/group'}

url = self._client.format_url(url, **path_format_arguments)

        # Construct parameters
        query_parameters = {}

        # Construct headers
        header_parameters = {}
        if custom_headers:
            header_parameters.update(custom_headers)

        # Construct and send request
        request = self._client.delete(url, query_parameters, header_parameters)
        response = self._client.send(request, stream=False, **operation_config)

        if response.status_code not in [200]:
            raise models.APIErrorException(self._deserialize, response)

        if raw:
            client_raw_response = ClientRawResponse(None, response)
            return client_raw_response
    delete.metadata = {'url': '/persongroups/{personGroupId}/persons/{personId}'}