> >Other solution that I found, was to build a
> >POST_EVENT 'MyEvent'||'MyValue', doing a concat of strings, but by this
> >way there are more dificult to capture the events on my app.
>
> The biggest problem with this is that event names are restricted to

15 bytes.

I'm surprised by that. Although the Firebird book agrees with you ;-)
it appears that I am able to receive events with names such as:

CALL_ACTION_INSERT_CONTACT_1765

31 chars. TIB_Events::OnEventAlert happily passes this event to me.
Any idea how?

I'm using FBv1.52 SS, IBO v4.3Aa, BCBv5.