> 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/mqtt-disconnect.md).

# MQTT Disconnect

Close an MQTT connection previously opened with **MQTT Connect**.

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-7a7ab3f3fc74afcaab1e0810f419316203cc49e1%2F01_Supported_OS.png?alt=media" alt="OS Supported: Android, iOS, Win, Win32"><figcaption></figcaption></figure>

<figure><img src="https://1614058754-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FJ5vDGuBZwhJDeu5Rq7Wt%2Fuploads%2F10Aic1hk7QgdoNRzOjUL%2Fimage.png?alt=media&amp;token=2ac2ef22-5ffc-4150-873c-f33adeb05134" alt=""><figcaption></figcaption></figure>

## Parameters

* **MQTT ID** *\<numeric> -* The identifier of the MQTT connection to close. This must match the **Target MQTT ID** used in **MQTT Connect**.

{% hint style="info" %}
Any pending subscriptions on this connection are released automatically when the session is closed.
{% endhint %}