Lets say if you want to type empty square bracket or square bracket for that matter, using type into activity.
how could you achieve it ?
When you type square bracket inside double quotation it will be taken it as hotkey.

It is printing if we type “]”

” if you try print this , it will not print unless you check stimulate .
but i got the answer , “[” , you have open bracket with two open square brackets and close with single square bracket. thanks for your time .