| An example showing how to add custom HTTP2 headers (or [metadata](https://grpc.io/grpc/python/glossary.html) in gRPC glossary) | |
| HTTP2 supports initial headers and trailing headers, which gRPC utilizes both of them ([learn more](https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md)). | |
| More complete documentation lives at [grpc.io](https://grpc.io/docs/languages/python/basics). | |
| For API reference please see [API](https://grpc.io/grpc/python/grpc.html). |