Forum v18 any idea how to handle callbacks?

It seems like it was easy in old way and it was implemented in old plugin. Moreover, it’s still working

It looks and works like that

But how to reproduce that in Gamma also with newer version of the library?
I made simple setup if someone wants to try

tg_channel_send_public.vl (42.0 KB)

As far as I know that will only work fine in 2022.5, I used the 433 / 441 builds

The main problem was the missing update handler
A properly configured update handler accepts callbacks
I’ve done something like this: