> For the complete documentation index, see [llms.txt](https://doc.sysdevmobile.com/kalipso/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.sysdevmobile.com/kalipso/documentation/actions/group-communications/push-notification-delete-lost-message.md).

# Push Notification Delete Lost Message

Deletes push notification messages currently stored on the device.

Action available for the following operating systems:

<figure><img src="https://1614058754-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FJ5vDGuBZwhJDeu5Rq7Wt%2Fuploads%2Fgit-blob-9aff7aa7209513e47fec3c432ae22c164250d06b%2F05_Supported_OS_android_ios_windows.png?alt=media" alt="OS Supported: Android, iOS, Win"><figcaption></figcaption></figure>

### Parameters

* **Delete** - The message or messages to delete. It can be one off:
  * 1 - **Next Message** - Deletes the most recent message.
  * 2 - **Specify Id** - Deletes the message with the specified ID.
  * 3 - **All Messages** - Deletes all the messages.
* **Message ID** - The ID of the message to be deleted when the Delete parameter is set to 1 - Next Message.

{% hint style="info" %}
If a message is received and your application is not running, the O.S. will make the appropriate display of the message, and if you enabled the **"Save messages when application is not active"** option in your **Project Properties**, it will be saved locally on the device. You can use **"Push Notification ... Lost ..."** actions to retrieve the messages that where received while your application was not active.
{% endhint %}