Limiting choice combination in select multiple question (restricting 2 choices to be selected by enumerator)

[Kal_Lam]

@francis22, you should be able to do it as outlined in the image shared below:

In the survey tab of your XLSForm:

In the choices tab of your XLSForm:

Data entry screen as seen in Enketo: no error message

Data entry screen as seen in Enketo: no error message

Data entry screen as seen in Enketo: error message showing when condition satisfies

Data entry screen as seen in Enketo: error message showing when condition satisfies

Reference XLSForm:

Constraint on Select_Multiple Question Type.xlsx (11.4 KB)