required : Array<String>

required

Array<String>

An object instance is valid against this keyword if every item in the array is the name of a property in the instance.

Value This keyword must be set to a non-empty array of unique strings
Kind Assertion
Applies To Object
Dialect Draft 4
Changed In None
Introduced In Draft 3
Vocabulary Validation
Specification https://json-schema.org/draft-04/draft-fge-json-schema-validation-00#rfc.section.5.4.3
Metaschema http://json-schema.org/draft-04/schema#
Official Tests draft4/required.json
Default As if it was set to the (invalid) value: []
Annotation None
Affected By None
Affects None
Also See