How to make dropdown search mandatory

hi, i know how to add message error on dropdown search but even tho when I click on Save the system will save the other field , so I want to know how to make it mandatory please 

Hello Roro,

Please see try this property to make it mandatory.

And also please refer the below link.

Thanks & Kind Regards,


Hello Roro,

As you are talking about Dropdown Search this feature of making it mandatory is not available in it, but you can try implementing the same solution in the attached link, and check whether the selected Item from dropdown search is empty or not.

Hope this helps!


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