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Regular Visitor

Business rules in a PowerApps Portal

Hi everyone, 


I am trying to set up a business rule in a Powerapps portal form. The business rule should make 3 fields mandatory if one checkbox is set to YES. This is working perfectly in the PowerApps Model-Driven App, but not in the Portal (See Printscreens). In the portal are no * and I can submit the form. 

As an information, I set the option "Set Recommended Field as Required" in the Form Options. 


I am wondering if it is a limitation, or I am missing a setting. Thanks for your response.

Community Support
Community Support

Hi @Natali-WinOn365 ,


PowerApps Portal or CRM Portal don't support Business Rule that apply on the Forms.

If you want this feature, submit an idea: 

Best regards,



If my post is helpful for you, please click on “Accept as Solution” to help other members find it more quickly.

Frequent Visitor

I think you can achieve that with JavaScript. You can embed custom JavaScript in the Advanced section of the Web Page that has the form in it.

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