Find sum of repeating group

[ben4]

Hey Bubblers,

I am trying to create a ‘Credit on Account’ for my application. I was able to get it all to work except where the stuff that was deducted from the credit creates a sum. Basically I was able to create a thing (credit) and it shows the deductions from that credit. What I cant figure out is how do I sum the deductions and show a remaining balance? Any help on this would be amazing. Thank you!

[vini_brito]

You can have a “balance” field being a number and operate on that number whenever needed, unless you forget to change the balance field it will be accurate.