> For the complete documentation index, see [llms.txt](https://docs.iotmp.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.iotmp.io/iotmp/messages/disconnect.md).

# Disconnect

## Request

A `Disconnect`message can be sent anytime to close an ongoing connection. It can be initiated both by the server or the client.

Once sent or received, it is expected that the connection is closed. 

### Header

<table><thead><tr><th width="171">Field</th><th width="83.33333333333331">Value</th><th>Description</th></tr></thead><tbody><tr><td><strong>Message Type</strong></td><td>0x04</td><td>Disconnect</td></tr><tr><td><strong>Message Size</strong></td><td><a href="/pages/-MD0eHPhqzDOIPgDvpwS#varint">varint</a></td><td>Remaining Message Length</td></tr></tbody></table>

### Body

<table><thead><tr><th width="165">Name</th><th width="98">Field</th><th width="100">Type<select><option value="4249dc80adf740f9bf2c571bbd56f37b" label="varint" color="blue"></option><option value="74aff7f486bd46f5a916d0a0d79a24cb" label="any" color="blue"></option></select></th><th width="120" data-type="checkbox">Mandatory</th><th>Description</th></tr></thead><tbody><tr><td><strong>Stream Id</strong></td><td>0x01</td><td><span data-option="4249dc80adf740f9bf2c571bbd56f37b">varint</span></td><td>false</td><td>Disconnect <a href="/pages/-MD0eHPhqzDOIPgDvpwS#stream-identifier">Stream Identifier</a>. Not required if acknowledgement is not expected from the other side.</td></tr><tr><td><strong>Parameters</strong></td><td>0x02</td><td><span data-option="74aff7f486bd46f5a916d0a0d79a24cb">any</span></td><td>false</td><td>Disconnect reason.</td></tr><tr><td><strong>Payload</strong></td><td>0x03</td><td><span data-option="74aff7f486bd46f5a916d0a0d79a24cb">any</span></td><td>false</td><td>Additional disconnect information.</td></tr></tbody></table>

## Response