github.com/gotd/td/tg.ServerDispatcher.OnMessagesSetChatWallPaper (method)

one use

	github.com/gotd/td/tg (current package)
		tl_server_gen.go#L6048: func (s *ServerDispatcher) OnMessagesSetChatWallPaper(f func(ctx context.Context, request *MessagesSetChatWallPaperRequest) (UpdatesClass, error)) {