I have a requirement where i need to create a dropdown field in tempo enabled fo

I have a requirement where i need to create a dropdown field in tempo enabled form.User should be able to type in the dropdown and related options should appear so that user can select any of those.This is a kind of running search.How can i achieve this?Please note i need it in the tempo enabled form so i can not use javascript or any event rule....

OriginalPostID-91776

OriginalPostID-91776

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