# Sub header

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The sub header (`sub_head`) is smaller text that appears under the header (`head`) of a message. This message type also supports [Markdown and @mentions](/docs/chat/customizing-messages/message-with-markdown).

For **style options**, see the [**Full JSON schema**](#schema)

## Example

![Example](/img/1560465689211.png)

## JSON example

```json
{
    "head": {
        "text": "I am a header",
        "sub_head": {
            "text": "I am a sub header"
        }
    }
}
```