Which "Signal source name " should I fill in?

[224042822 Vivian]

I'm confused I don't know which "signal source name" I should write on the block. I'm asking for assistance .

[Eleni Anna Branou]

That's a name for your signal, choose whatever you like, following the rules you see.

[224042822 Vivian]

Eleni Anna Branou #:
That's a name for your signal, choose whatever you like, following the rules you see.

Thanks Eleni