Stop user from enter Duplicated value

[Kal_Lam]

@ebm_2, maybe you could use this approach discussed in our other post (that exploits the dynamic data attachment feature):

Preventing duplicate entries by respondents

Welcome to the community, @nkwantanorth! You could do this by exploiting the dynamic data attachment feature as shown below: In the survey tab of your XLSForm: [image] Data entry screen as seen in Enketo (when the record is already present in the server): [image] Reference XLSForm: Beneficiary Name Check (Case Management).xlsx (9.4 KB) Please note the following when using the Dynamic Data Attachment feature to work: It takes 5 minutes to sync the data To make this work, you must link the …