Valentina Forms: Can signals be used programmatically?

You might have overlooked this new feature added in Valentina Release 14.7 because of the 'glow up' of the user interface.

Can signals be used programmatically?
Yes, you can set up object communications yourself in code. Read more...

https://valentina-db.com/en/discussions/10626-can-signals-be-used-programmatically