# Useful objects

This documentation covers concepts and objects common across integration methods.

# Order object

Using the Order object, you can provide a list of orders for each charge. These orders will be displayed in the invoice sent to the customer.

Parameter Required Description
id Required Merchant's order id
name Required Order name
quantity Required Quantity
amount Required Amount to be paid for this order

# Payment methods

You can specify payment methods available for each country in options.

      const paymentMethods = {
          'TH': ['prompt-pay', 'alipay-hk'],
          'HK': ['fps'],