additionalProperties

Constraint for additional properties beyond those explicitly defined.

• true: Allow any additional properties (AllowAdditionalProperties)

• false: Disallow additional properties (DenyAdditionalProperties)

• PropertyDefinition: Additional properties must match this schema (AdditionalPropertiesSchema)

• null: No constraint specified (default)

Examples

jsonSchema {
    additionalProperties = false  // Strict: no additional properties allowed
}

jsonSchema {
    additionalProperties = obj { /* schema */}  // Additional properties must be objects
}