How do i make a reporter that reports all variables names

How do i make a reporter that reports a list that have variable names?
like
1 my variable
2 yvel
3 score

and like that?

[scratchblocks]
(list((my var)::grey ring)((yv)::grey ring)((score)::grey ring))
[/scratchblocks]

no, not like that, i wanna a list that reports all the avaliable variables

For reporting variable names, I'd have to play with Dev mode and the JavaScript function block.

For an input with a menu of the variable names:

I made a topic about this a while ago. Here's the solution.

yes this is a duplicate.

Wow thank you

yo welcome