I want to create a function to check if it's a nickname that already exists.

Actions & Logic

Resolved

When I write a nickname in the text field and press the OK button, I want to add a function to determine whether there are already few nicknames in the nickname field of the user collection.

I just want to make a simple 'identify duplicate nicknames' feature.

I tried everything, but I couldn't solve it.

What have you tried so far?

I've tried query collection, list view, custom code, but it hasn't been solved..

I'm sure there's a simple solution. Please help me.

Did you check FlutterFlow's Documentation for this topic?

Yes

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