Invoke Vbscript activity

Hi Team,

I’m tring to create a workflow using “InvokeVbscript” activity but not getting anything.

test.vbs file

function gSum(param1,param2) as integer
gSum = cint(param1)+cint(param2)
end function

In the argument section- It support only strings (however, I tried to convert them into integer.

but it doesn’t return anything.

Pls help and provide any examples.
Activity - InvokeVbscript