Successful response payload data

Parameter name	Data type	Description
`id`	`string`	The ID of the external checkout order.
`userId`	`string`	The ID of the Setel user.
`referenceId`	`string`	A unique string to reference the wallet transaction. This can be an order ID, a cart ID, or something similar generated by the merchant’s side.
`amount`	`string`	The amount to be charged.
`currency`	`string`	The three-letter ISO currency code of the payment. Currently, only supports MYR.
`taxInvoiceNumber`	`string`	The tax invoice number.
`paymentMethod`	`object`	The payment method for this session.
`paymentMethod.family`	`string`	The family the payment method belongs to.
`paymentMethod.type`	`string`	The payment method type.
`paymentMethod.brand`	`string`	The payment method brand.
`isEligibleForPoint`	`boolean`	The parameter that decides if the user will be granted points.
`products`	`array<object>`	Stores information about the product.
`products.loyaltyCategoryCode`	`string`	A 4 digit code of the loyal category the product belongs to.
`products.unitPrice`	`float`	The price per item.
`products.quantity`	`integer`	The number of items.
`referenceMeta`	`object`	An object to store additional information about the transaction (e.g: order details, etc.).
`referenceMeta.items`	`object`	Stores an array of items that is included in the transaction.
`referenceMeta.items.itemName`	`string`	Name and description of the item.
`referenceMeta.items.variationName`	`string`	Item variation. E.g: `M`, `Red`.
`referenceMeta.items.unitPrice`	`float`	The price per item.
`referenceMeta.items.quantity`	`integer`	The number of this product purchased.
`referenceMeta.items.totalPrice`	`float`	Total price = item quantity x item unit price
`referenceMeta.items.totalDiscountedPrice`	`float`	The total price after discount.
`referenceMeta.totalDiscount`	`float`	The total amount of discount given.
`referenceMeta.subtotal`	`float`	The total amount before applying any taxes or discount, fee, etc.
`referenceMeta.shippingFee`	`float`	The shipping fee (applicable for e-commerce).
`referenceMeta.pumpNumber`	`string`	The code for the pump being operated.
`referenceMeta.stationName`	`string`	The name of the station where the operating pump is located.
`loyalty`	`object`	Stores information about the loyalty card.
`loyalty.issuedBy`	`string`	The entity that issued the loyalty points.
`loyalty.status`	`string`	The status of granting the loyalty points (`failed` / `succeeded`).
`loyalty.loyaltyCardNumber`	`string`	The card number the points will be awarded to.
`loyalty.earnedPoints`	`integer`	The amount of points earned.
`loyalty.loyaltyCardBalance`	`integer`	The new card balance after the points are added.
`loyalty.error`	`string`	Displays the reason if granting loyalty points fail.