---
title: BlockHeader
path: component/block-header
group: Data Display
---

## BlockHeader

This is a block header.

## API

| Property            | Description               | Type             | Default      | Alternative     |
|------          |------              |------            |--------    |--------   |
| prefix         | custom prefix           | string          | `'zent'`    |           |
| className      | custom class name          | string            |   ''    |              |
| title          | title               | string            |         |              |
| tooltip        | content of the pop         | node             |          |             |
| content        | custom content       | node             |            |           |
| childAlign     | popsition of children | string | `'left'`  | `'left'、'right'` |
| position       | pop position       | string           | 'top-right' |          |