:: BASE_DOC :: ## API ### NoticeBar Props name | type | default | description | required -- | -- | -- | -- | -- style | Object | - | CSS(Cascading Style Sheets) | N custom-style | Object | - | CSS(Cascading Style Sheets),used to set style on virtual component | N content | String / Array / Slot | - | [see more ts definition](https://github.com/Tencent/tdesign-miniprogram/blob/develop/src/common/common.ts) | N direction | String | horizontal | options: horizontal/vertical | N interval | Number | 2000 | \- | N marquee | Boolean / Object | false | Typescript:`boolean \| NoticeBarMarquee` `interface NoticeBarMarquee { speed?: number; loop?: number; delay?: number }`。[see more ts definition](https://github.com/Tencent/tdesign-miniprogram/tree/develop/src/notice-bar/type.ts) | N operation | String / Slot | - | [see more ts definition](https://github.com/Tencent/tdesign-miniprogram/blob/develop/src/common/common.ts) | N prefix-icon | String / Boolean / Object / Slot | true | [see more ts definition](https://github.com/Tencent/tdesign-miniprogram/blob/develop/src/common/common.ts) | N suffix-icon | String / Object / Slot | - | [see more ts definition](https://github.com/Tencent/tdesign-miniprogram/blob/develop/src/common/common.ts) | N theme | String | info | options: info/success/warning/error | N visible | Boolean | false | \- | N default-visible | Boolean | undefined | uncontrolled property | N ### NoticeBar Events name | params | description -- | -- | -- change | `(current: number, source: '' \| 'autoplay' \| 'touch')` | \- click | `(trigger: NoticeBarTrigger)` | [see more ts definition](https://github.com/Tencent/tdesign-miniprogram/tree/develop/src/notice-bar/type.ts)。
`type NoticeBarTrigger = 'prefix-icon' \| 'content' \| 'operation' \| 'suffix-icon';`
### NoticeBar External Classes className | Description -- | -- t-class | \- t-class-content | \- t-class-operation | \- t-class-prefix-icon | \- t-class-suffix-icon | \- ### CSS Variables The component provides the following CSS variables, which can be used to customize styles. Name | Default Value | Description -- | -- | -- --td-notice-bar-error-bg-color | @error-color-1 | - --td-notice-bar-error-color | @error-color | - --td-notice-bar-font-color | @text-color-primary | - --td-notice-bar-info-bg-color | @brand-color-light | - --td-notice-bar-info-color | @brand-color | - --td-notice-bar-operation-font-color | @brand-color | - --td-notice-bar-success-bg-color | @success-color-1 | - --td-notice-bar-success-color | @success-color | - --td-notice-bar-suffix-icon-color | @text-color-placeholder | - --td-notice-bar-warning-bg-color | @warning-color-1 | - --td-notice-bar-warning-color | @warning-color | -