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# RealtimeUrlNotFoundError

An error that indicates that the URL for your endpoint isn’t configured.

```
object RealtimeUrlNotFoundError
```

## Overview

To configure your `Get Retention Message` endpoint, call [`Configure Realtime URL`](/documentation/RetentionMessaging/Configure-Realtime-URL). For more information, see [Setting up your Get Retention Message endpoint](/documentation/RetentionMessaging/setting-up-retention-messaging-endpoint).

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