:: BASE_DOC :: ## API ### CountDown Props name | type | default | description | required -- | -- | -- | -- | -- auto-start | Boolean | true | \- | N content | String / Slot | 'default' | \- | N custom-style `v0.25.0` | String | - | \- | N format | String | HH:mm:ss | \- | N millisecond | Boolean | false | \- | N size | String `v0.5.1` | 'small' | options:small/medium/large | N split-with-unit `v0.5.1` | Boolean | false | \- | N theme | String `v0.5.1` | 'default' | options:default/round/square | N time | Number | - | required | Y ### CountDown Events name | params | description -- | -- | -- change | `(time: TimeData)` | [see more ts definition](https://github.com/Tencent/tdesign-miniprogram/tree/develop/src/count-down/type.ts)。
`interface TimeData { days: number; hours: number; minutes: number; seconds: number; milliseconds: number }`
finish | \- | \-