{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "#/components/schemas/BillingAccountRef", "title": "BillingAccountRef", "allOf": [ { "$ref": "#/components/schemas/Extensible" }, { "$ref": "#/components/schemas/EntityRef" }, { "type": "object", "description": "BillingAccount reference. A BillingAccount is a detailed description of a bill structure.", "properties": { "ratingType": { "type": "string", "description": "Indicates whether the account follows a specific payment option such as prepaid or postpaid" } } } ], "discriminator": { "propertyName": "@type", "mapping": { "BillingAccountRef": "#/components/schemas/BillingAccountRef" } } }