# `Ash.Resource.Verifiers.ValidateAtomicValidationDefaultTargetAttribute`
[🔗](https://github.com/ash-project/ash/blob/v3.27.8/lib/ash/resource/verifiers/validate_atomic_validation_default_target_attribute.ex#L5)

Ensures that the `atomic_validation_default_target_attribute` option references an existing attribute.

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