Preventing duplicate entries in a repeat loop

[Kal_Lam]

@saspackman, maybe you could do it as outlined in the image shared below:

In the survey tab of your xlsform:

Data entry screen as seen in Enketo: when the same id is entered twice

Data entry screen as seen in Enketo: when a unique id is entered

Reference xlsform:

Restrict IDs already selected from a repeat group.xlsx (10.0 KB)