Short Code for Client Hub?

I'm building a subscription service "house cleaning lite" business using Jobber. Jobber isn't really built for this (but I think it should work on doing so, as subscription services are growing like crazy!)

I've found a way to skip the "Quote" part of the process - we have flat fees for our services, so this extra step was keeping people from completing the purchase process. 

So when I get a request, we turn it straight into a job. But I want their payment information updated in the Customer Hub before we go out, so that their card is automatically charged upon completion of the work.

Ideally? Jobber would create an ability to capture payment info on the Request form, adding it to the Client Hub in that first step. If someone completed the form, they would be my customer.

For now? I really can't understand why there isn't an "Insert Variable" shortcode for the Client Hub. I have to use the full code in my Job confirmation email, and it looks clunky and ugly. 

Support, can you fix this? Other folks, how do you handle this? Thanks for any help.