:: BASE_DOC :: ## API ### PullDownRefresh Props name | type | default | description | required -- | -- | -- | -- | -- enable-back-to-top | Boolean | true | `1.1.5` | N enable-passive | Boolean | false | `1.1.5` | N external-classes | Array | - | `['t-class', 't-class-loading','t-class-text', 't-class-indicator']` | N loading-bar-height | String / Number | 50 | \- | N loading-props | Object | - | Typescript:`LoadingProps`,[Loading API Documents](./loading?tab=api)。[see more ts definition](https://github.com/Tencent/tdesign-miniprogram/tree/develop/src/pull-down-refresh/type.ts) | N loading-texts | Array | [] | Typescript:`string[]` | N lower-threshold | String / Number | 50 | `1.1.5` | N max-bar-height | String / Number | 80 | \- | N refresh-timeout | Number | 3000 | \- | N scroll-into-view | String | - | `1.1.5` | N show-scrollbar | Boolean | true | \- | N upper-threshold | String / Number | 50 | `1.1.5` | N value | Boolean | false | \- | N default-value | Boolean | undefined | uncontrolled property | N ### PullDownRefresh Events name | params | description -- | -- | -- change | `(value: boolean)` | \- refresh | \- | \- timeout | \- | \- ### CSS Variables The component provides the following CSS variables, which can be used to customize styles. Name | Default Value | Description -- | -- | -- --td-pull-down-refresh-color | @font-gray-3 | -