{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "#/components/schemas/PlanResponse", "title": "Plan", "required": [ "frequency", "id", "purchaseDay", "validity" ], "type": "object", "properties": { "id": { "type": "string", "nullable": true }, "frequency": { "$ref": "#/components/schemas/FrequencyResponse" }, "validity": { "$ref": "#/components/schemas/ValidityResponse" }, "purchaseDay": { "$ref": "#/components/schemas/PurchaseDay" } }, "additionalProperties": false }