> For the complete documentation index, see [llms.txt](https://developer.securecontainerrelease.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.securecontainerrelease.com/how-to/configure-event-notifications-and-webhooks.md).

# CONFIGURE EVENT NOTIFICATIONS & WEBHOOKS

- [Register a callback url for notifications.](https://developer.securecontainerrelease.com/how-to/configure-event-notifications-and-webhooks/register-a-callback-url-for-notifications..md): Subscriptions (or webhooks) serve to specify a callback url that should be invoked when an event occurs.
- [Fetch latest data after receiving event notification.](https://developer.securecontainerrelease.com/how-to/configure-event-notifications-and-webhooks/fetch-latest-data-after-receiving-event-notification..md): After receiving a notification, you need to GET the release in order to receive the latest data.
- [Retrieve missing event notifications using the API.](https://developer.securecontainerrelease.com/how-to/configure-event-notifications-and-webhooks/retrieve-missing-event-notifications-using-the-api..md): If you missed or did not process event notifications using the callback, you can retrieve the missing events using an API call.
- [Event types.](https://developer.securecontainerrelease.com/how-to/configure-event-notifications-and-webhooks/event-types..md)
- [onRelease](https://developer.securecontainerrelease.com/how-to/configure-event-notifications-and-webhooks/event-types./onrelease.md): The onRelease event type covers when any of the following events takes place:
- [onAcceptInvitation](https://developer.securecontainerrelease.com/how-to/configure-event-notifications-and-webhooks/event-types./onacceptinvitation.md): The onAcceptInvitation event type serves to get a notification when an invitation has been accepted or refused.