woocommerce-paypal-payments/modules/ppcp-applepay/resources/js/Helper/applePayRequest.js

export const request = (countryCode, currencyCode, totalLabel, subtotal) => {
    return {
        countryCode: countryCode,
        currencyCode: currencyCode,
        supportedNetworks: ['amex', 'maestro', 'masterCard', 'visa', 'vPay'],
        merchantCapabilities: ['supports3DS'],
        shippingType: 'shipping',
        requiredBillingContactFields: [
            'postalAddress',
            'email'
        ],
        requiredShippingContactFields: [
            'postalAddress',
            'email'
        ],
        total: {
            label: totalLabel,
            amount: subtotal,
            type: 'final'
        }
    }
}