1*cc02d7e2SAndroid Build Coastguard WorkerAn example showing how to add custom HTTP2 headers (or [metadata](https://grpc.io/grpc/python/glossary.html) in gRPC glossary) 2*cc02d7e2SAndroid Build Coastguard Worker 3*cc02d7e2SAndroid Build Coastguard WorkerHTTP2 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)). 4*cc02d7e2SAndroid Build Coastguard Worker 5*cc02d7e2SAndroid Build Coastguard WorkerMore complete documentation lives at [grpc.io](https://grpc.io/docs/languages/python/basics). 6*cc02d7e2SAndroid Build Coastguard WorkerFor API reference please see [API](https://grpc.io/grpc/python/grpc.html). 7