# `ExJsonSchema.Validator.Required`
[🔗](https://github.com/jonasschmidt/ex_json_schema/blob/v0.11.5/lib/ex_json_schema/validator/required.ex#L1)

`ExJsonSchema.Validator` implementation for `"required"` attributes.

See:
https://tools.ietf.org/html/draft-fge-json-schema-validation-00#section-5.4.3
https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.17
https://tools.ietf.org/html/draft-handrews-json-schema-validation-01#section-6.5.3

---

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