fill in textboxes with url

Hello,

I've been using zoho creator for some time now, but what I like to do is getting a variable string from the url.

Meaning I can create a url with 2 variable which opens my form on the zoho website and automatically fills in 2 Single Lines.

Is this possible?
I've been fiddling with the deluge script, but can't seem to get it to work.
Can anybody help me, or direct me in the right direction.

Thanks