I run into the issue at runtime, the usage of enum in protobuf generated code looks not right, Here is the code, but I don’t know how to use it, any idea? : defmodule HelloPhx.ServiceType do @moduledoc false use Protobuf, enum: true, syntax: :proto3 @type t :: integer | :LOGIN | :REFRESH_TO…

Yes, already happy using it long time. I got answer here: https://github.com/elixir-grpc/grpc/issues/174