{ "$schema": "http://json-schema.org/draft-04/schema#", "type": "object", "properties": { "ewbNo": { "type": "number", "description": "EwayBill Number" }, "transporterId": { "type": "string", "pattern": "[0-9]{2}[0-9|A-Z]{13}", "description": "15 Digit Transporter GSTIN/TRANSIN" } }, "required": [ "ewbNo", "transporterId" ] }