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check if an item exists in a collection

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Posted on by Guts

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I have a users collection I want to to check if the ID I am writing down in an input already exists or not in that collection , here's the solution that I tried

Userr is the name of the collection

ID is the Column

idjdid is the name of the textinput

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Jon Unzueta 1,834 Super User 2026 Season 1 on at

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@Guts no lookup, try with filter

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timl 36,774 Super User 2026 Season 1 on at

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@Guts

Another option is to call the IsBlank function with LookUp

If(IsBlank(LookUp(Userr, ID = idjdid.Text)), Color.Red )

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