# CalloutBlockData
The data structure of the highlighted block Block, inherited from [BlockData](https://open.feishu.cn/document/uAjLw4CM/uYjL24iN/docs-add-on/05-api-doc/BlockData/blockdata)

| **Name**         | **Data type** | **Is required** | **Description**  |
| ---------------- | ------------- | --------------- | ---------------- |
| background_color | string        | No              | Background color |
| border_color     | string        | No              | Border color     |
| text_color       | string        | No              | Font color       |
| emoji_id         | string        | No              | Emoji Id