x-nullable
Compatibility warning
This specification extension is supported only in OpenAPI 2.0.
Usage
Use x-nullable in your OpenAPI 2.0 documents to mark schemas with the label Nullable in the API documentation. This indicates that the value of a particular property may be null. Add it to the schema OpenAPI object.
| Field Name | Type | Description |
|---|---|---|
| x-nullable | boolean | Marks schema as a nullable. |
Examples
swagger: '2.0' info: ... tags: [...] schemas: country: type: string description: Country of origin x-nullable: true