Forum Discussion
Choice field with Intellisense / Autocomplete not working perfectly
Should I make the shift to PowerApps?
It is not possible using SharePoint default functionalities as well as SharePoint JSON formatting capabilities.
If this feature is absolutely required by your employer then you will have to customize the list form using either Power Apps (easy & low code) or SharePoint Framework (coding experience required).
I will suggest you to inform your employer that form UI will change if you customize the list form using Power Apps before actually making changes to list form and let them decide they are fine with UI changes.
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