Adding validation Code/Rule

[Kal_Lam]

Welcome to the community, @mokech! Is this something you are looking for that has been discussed in the community before:

Advanced skip logic

Hi @warrenmxt, you may find what you are looking for here in the docs. You can see this in action with the following simple example using the choice_filter column in the survey sheet: survey type name label choice_filter integer age_months What is the age of this child? select_multiple measles measles_dose i) Measles months < ${age_months} choices list_name name label months measles d1 Dose 1 9 measles d2 Dose 2 18