const request = new PaymentRequest(buildPaymentMethodData(), buildDetails());

// TODO Next

function buildPaymentMethodData() {
  // Example supported payment methods:
  return [{
    supportedMethods: 'basic-card',
    data: {
      supportedNetworks: ['visa', 'mastercard'],
      supportedTypes: ['debit', 'credit']
    }
  }];
}

function buildDetails() {
  return {
    id: 'count-order',
    displayItems: [
      {
        label: 'รองเท้าวิ่ง',
        amount: {currency: 'USD', value: '50.00'}
      }
    ],
    total: {
      label: 'Total',
      amount: {currency: 'USD', value: count }
    }
  };
}