code: def AddMessage(builder, message):
      HelloReplyAddMessage(builder, message)
  
file_path: flatbuffers/grpc/examples/python/greeter/models/HelloReply.py
imports: import flatbuffers
  from flatbuffers.compat import import_numpy
label_desc: Use image node_id 4 for calling a global function with example usage: AddMessage(builder, message) without return types