Adding a constraint to a multiple choice question

[Kal_Lam]

@Karimzak, maybe this post discussed previously should help you solve your issue:

How to list selected option in a previous of multiple selections in the following questions

Hi @Matolab, Try this out! Maybe this is what you are looking for as shown in the image below: In the survey tab of the xlsform form: [Image 1] In the choices tab of the xlsform form: [Image 2] Data collection screen as seen in Enketo (when it is filled wrongly): Here a user tries to enter more than 3 choices. [Image 3] Data collection screen as seen in Enketo (when it is filled correctly): Here a user tries to enter less then or equal to 3 choices i.e. greater than 0 and less than or…