# `Diffo.Provider.Extension.Verifiers.VerifyFeatures`
[🔗](https://github.com/diffo-dev/diffo/blob/v0.9.0/lib/diffo/provider/extension/verifiers/verify_features.ex#L5)

Verifies feature names are unique and feature characteristic value_type modules exist and extend BaseCharacteristic

---

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