How do I limit the amount of selections in an allow multiple selection choice field?

[kmccool]

Hi there,

How do I build a validation rule on a form that will throw an error if the user selects more than three options in a "allow multiple selections" choice field?

Thanks

Kassie

[emha · Accepted solution]

length(ChoiceNamedControl) > 3‍‍

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[kmccool]

Thank you Marian! You're a rock star!