Persistent variable

What is the problem? Please be detailed.
how can i use a persistent variable in a group of repeat questions? fro example, i work in farms with different codes, i want to type the first code and that code will appear automatically in the next group of questions. i aprreciate any help.
What ODK tool and version are you using? And on what device and operating system version?
v1.7.0 en dispositivos android
What steps can we take to reproduce the problem?

What you have you tried to fix the problem?

Anything else we should know or have? If you have a test form or screenshots or logs, attach here.

A post was merged into an existing topic: Remember previously entered value in odk collect