How multi-select work in rofi dmenu

Question

I am using rofi 1.5.4

Suppose I run the command

echo -e "Option #1\nOption #2\nOption #3" | rofi -dmenu -multi-select | xargs -I{} echo {}

What keys shall I use to select multiple menu item?

Answer 1

OP here, To populate the menu you can use the code I mentioned in the question.

Then go to the menu items and use ShiftEnter