# BlockData
Detailed data definition of Block. Different Block types have different data definitions. The following are common properties:

name | Data type | Is required | Description
---|---|---|---
align | string | No | Block alignment, optional values include<br>- Align left - left<br>- Align center - center<br>- Align right - right<br>Note that although this property is on the public property, not all Block views support this property. Currently supported Block types include:<br>- TEXT<br>- HEADING1<br>- HEADING2<br>- HEADING3<br>- HEADING4<br>- HEADING5<br>- HEADING6<br>- HEADING7<br>- HEADING8<br>- HEADING9<br>- BULLET<br>- ORDERED<br>- TODO<br>- QUOTE<br>- IMAGE<br>- CHAT_CARD