The name of the response format. Must be a-z, A-Z, 0-9, or contain underscores and dashes, with a maximum length of 64.

The schema for the response format, described as a JSON Schema object. Learn how to build JSON schemas here.

The type of response format being defined. Always json_schema.

A description of what the response format is for, used by the model to determine how to respond in the format.

Whether to enable strict schema adherence when generating the output. If set to true, the model will always follow the exact schema defined in the schema field. Only a subset of JSON Schema is supported when strict is true. To learn more, read the Structured Outputs guide.