{ "$schema": "http://json-schema.org/draft-07/schema#", "title": "PurchaseOrderBillingHistory", "type": "object", "properties": { "id": { "type": "integer" }, "number": { "type": "string" }, "has_unbilled_unreceived_items": { "type": "boolean" }, "items": { "type": "array", "items": { "$ref": "#/components/schemas/PurchaseOrderBillingHistoryItem" } } }, "required": [ "has_unbilled_unreceived_items", "id", "items", "number" ] }