explain that keys must be lower cased (grpc#31586)

vjpai · Jan 11, 2023 · cfd3395 · cfd3395
1 parent 062afbd
commit cfd3395
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/examples/python/auth/customized_auth_client.py b/examples/python/auth/customized_auth_client.py
@@ -48,6 +48,7 @@ def __call__(self, context, callback):
         #     service_url=u'https://localhost:50051/helloworld.Greeter',
         #     method_name=u'SayHello')
         signature = context.method_name[::-1]
+        # NOTE: The metadata keys provided to the callback must be lower-cased.
         callback(((_SIGNATURE_HEADER_KEY, signature),), None)