# `Ash.Resource.Verifiers.VerifySelectedByDefault`
[🔗](https://github.com/ash-project/ash/blob/v3.24.2/lib/ash/resource/verifiers/verify_selected_by_default.ex#L5)

Raises an error when a required primary key is missing

# `verify`

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*Consult [api-reference.md](api-reference.md) for complete listing*