--- title: Buyer communication url: amazon-pay-checkout/buyer-communication.html --- Amazon Pay will send notifications to the buyer in the following situations: - There was a checkout attempt and the buyer was redirected to `AmazonPayRedirectUrl`. ( Note: This order confirmation e-mail will not be sent if the capture is also processed within 5 hours) - Any time that funds are captured - Any time that a refund is initiated - Any time that a refund is complete Amazon Pay supplies most of the content for the notification but there are certain fields you can customize using either account configuration or API request parameters. Note: some of the values will also be reflected in the settlement and transaction reports. See setting up reports for more information. ### Customizable fields

Notification field	Source
Customer service email address	Specified when you set up your Amazon merchant account or from the Seller Central Settings section under Account Info
Customer service phone number	Specified when you set up your Amazon merchant account or from the Seller Central Settings section under Account Info
Merchant store name	Specified when you set up your Amazon merchant account or from the Seller Central Settings section under Account Info Can be overriden using `merchantStoreName` when calling Update Checkout Session and Update Charge Permission
Merchant order identifier	Specified in `merchantReferenceId` parameter when calling Update Checkout Session and Update Charge Permission
Note to buyer	Specified in `noteToBuyer` parameter when calling Update Checkout Session and Update Charge Permission