Add-In - to call (run) host application's procedure

[Eduardo-]

However, several of my projects has their own, individual backup procedures (with extended specific functionality). In this case I want of add-in do not call its mentioned backup procedure "sb_AddIn_BackUp", but tried first of all to search for the procedure "sb_App_BackUp" in the module "m_App_BackUp" of maintained host, and then tried call it, instead of its own "sb_AddIn_BackUp".

But for the Add-In, the project is source code, it is text.
How are you going to call it? The program is not running.

It would have to run as vbScript, interpreted...

(...If I am understanding correctly what you want to do.)