angular
        .module('app')
        .contoller('yourController', function ($scope) {
            /**
             * Complete configuration
             * 
             * */
            $scope.config = {
                /**
                 * This is a boolean type variable. If this variable is missing
                 * in the configuration, it will assume that you are in production mode
                 * */
                sandbox: true,
                sandboxClientID: '',
                productionClientID: '',

                checkoutFlow: true,     // Optional. Enable Pay Now Checkout Flow
                useConfirmation: false, // Not yet implemented

                locale: 'en_GB',        // Optional
                style: {
                    size: 'medium',     // small | medium | large | responsive
                    shape: 'pill',      // pill | rect
                    color: 'gold'       // gold | blue | silver | black
                    tagline: 'false'
                },
                payments: {
                    currency: 'USD',
                    shippingFee: 0,             // Optional
                    tax: 0,                     // Optional
                    referenceID: 'REF001-TEST', // Optional
                    totalAmount: 100,           // total amount to be paid

                    /**
                     * Optional. If ever you want to fill this in,
                     * make sure that the sub total amount
                     * should match in the total amount
                     * */
                    items: [
                        {
                            name: 'Product Name',
                            description: 'Product description',
                            quantity: 1,
                            price: 100,
                            tax: 0,
                            sku: 'SKU-TEST',
                            currency: 'USD'        
                        }
                    ]
                }
            };

            $scope.onEnter = function (config) {
                // After paypal is initialized
            };

            $scope.onComplete = function (data, actions, config) {
                // After completing the payment, this will execute
            };
        });