What is the symbol for spacebar in CIM?

[ivyhui0527]

one of my customized program need to press spacebar to select a invoice, but i wonder what is the symbol should i put in CIM as spacebar?

i have tried
" ",
"-",
".",
"^"

but all couldn't work.

your information is appreciated. thanks.

 

[kishorchari]

use the minus ie default "-"