# Sending a payment information change notification

You will immediately receive a notification when a shopper changes their payment method or credit card detail information, billing address, or email address.

## Notification trigger

In our commitment to maintaining transparency and enhancing user experience, we've implemented a notification system to inform you and shoppers about critical account changes. Specifically, this system sends alerts whenever a shopper's payment method or related account details are modified. These notifications ensure that all parties are immediately aware of updates that could affect transaction processing or account security. Below, we list the various activities that trigger these important notifications.

The following activities trigger this notification.

* Digital River receives updated stored credit card information from a [Card Account Updater](/commerce-api/admin-apis/subscription-management/subscription-notifications/card-account-updater.md).
* The shopper [changes the quantity of the subscription product](/commerce-api/admin-apis/subscription-management/immediately-apply-a-midterm-subscription-change/reducing-the-subscription-renewal-quantity.md) while placing an order and while [placing an order and creating a new billing option](/commerce-api/admin-apis/subscription-management/update-the-subscription-at-the-next-renewal/changing-the-subscriptions-payment-source.md).
* The shopper [manually renews their subscription by changing the renewal date](/commerce-api/admin-apis/subscription-management/immediately-change-the-subscription/updating-the-subscriptions-expiration-date.md) and [creating a new billing option](/commerce-api/admin-apis/subscription-management/update-the-subscription-at-the-next-renewal/changing-the-subscriptions-payment-option.md).
* The shopper [associates a new payment source](/commerce-api/admin-apis/subscription-management/update-the-subscription-at-the-next-renewal/changing-the-subscriptions-payment-source.md) or [option ](/commerce-api/admin-apis/subscription-management/update-the-subscription-at-the-next-renewal/changing-the-subscriptions-payment-option.md)for an existing subscription.
* The shopper [places an order for a mid-term change](/commerce-api/admin-apis/subscription-management/immediately-change-the-subscription/updating-the-subscriptions-expiration-date.md) and [creates a new billing option](/commerce-api/shopper-apis/subscriptions/update-subscription-at-the-next-renewal/changing-the-subscriptions-payment-option.md).
* The shopper updates their billing option from the Self-Service section of your online store. The shopper can use the Self-Service section of your online store to edit the existing payment method or add a new payment method. 
* You submit an `AddUpdateShopperRequest` through the [User Management service](/commerce-api/shopper-apis/shoppers/managing-shoppers/user-management.md) to add or modify a shopper, including the shopper's default billing method.
* The shopper goes to your custom page that contains the `displayUpdateAddressPaymentInfoPage` attribute.
* You [change the subscription renewal product](/commerce-api/admin-apis/subscription-management/update-the-subscription-at-the-next-renewal/changing-the-subscription-renewal-product.md).
* You [change the subscription renewal quantity](/commerce-api/shopper-apis/subscriptions/update-subscription-at-the-next-renewal/changing-the-subscription-renewal-quantity.md).
* You update the subscription's payment option with or without the `expand=all` query parameter to create a shopper's billing option for a subscription. 
* You [update the subscription's payment source](/commerce-api/shopper-apis/subscriptions/update-subscription-at-the-next-renewal/changing-the-subscriptions-payment-source.md).
* You [update the subscriber's ship-to and bill-to email addresses for all subscriptions](/commerce-api/admin-apis/subscription-management/subscription-notifications/updating-the-subscribers-email-address.md#changing-the-billing-and-shipping-email-addresses-in-the-cart-before-placing-the-order) so they can receive notifications. 
* You [create ](/commerce-api/shopper-apis/shoppers/managing-payment-options.md#creating-the-shopper-payment-options)or update a shopper's payment option.
* You [get a specific subscription by identifier](/commerce-api/shopper-apis/subscriptions/retrieve-the-subscription/getting-a-subscription-by-identifier.md).

The following classes trigger a payment information change notification:

#### Payment Information Change Notification Trigger Classes

The following classes trigger a payment information change notification:

* `RetryAccountUpdateDataProcessor`
* `UpdateEmailAddressRequestProcessor`
* `PaymentSourceRequestProcessor`
* `SubscriptionTask`
* `SubscriptionImpl`
* `AddEditPaymentForm`
* `SubscriptionInfoEditPaymentInfoCommand`
* `DisplayUpdateAddressPaymentInfoPage`


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