{
    "type": "object",
    "required": [
        "$type",
        "transactionId",
        "customerId",
        "debtId",
        "productId",
        "channel"
    ],
    "properties": {
        "$type": {
            "type": "string",
            "description": "Fixed value to identify request type",
            "example": "RepaymentRequest"
        },
        "transactionId": {
            "type": "string",
            "description": "Unique identifier of transaction in FIRSTBANK system",
            "example": "20171209232115"
        },
        "customerId": {
            "type": "string",
            "description": "Unique identifier of a customer",
            "example": "CN621868"
        },
        "msisdn": {
            "type": "string",
            "description": "User's mobile number in an international format",
            "example": "3451342"
        },
        "debtId": {
            "type": "string",
            "description": "Debt identifier provided in 'Current Loans' response",
            "example": "273194670"
        },
        "productId": {
            "type": "string",
            "description": "Identifier of a product that user is repaying for",
            "example": "101"
        },
        "channel": {
            "type": "string",
            "description": "Request channel: USSD or APP",
            "enum": ["USSD", "APP"],
            "example": "USSD"
        }
    },
    "xml": {
        "name": "RepaymentRequest"
    }
}