Method AddGroupProtocolMetadata

join_group_request.go:246–254

(name string, metadata *ConsumerGroupMemberMetadata)

}

func (r *JoinGroupRequest) AddGroupProtocolMetadata(name string, metadata *ConsumerGroupMemberMetadata) error {
	bin, err := encode(metadata, nil)
	if err != nil {
		return err
	}

	r.AddGroupProtocol(name, bin)
	return nil
}