:: BASE_DOC :: ## API ### Picker Props name | type | default | description | required -- | -- | -- | -- | -- auto-close | Boolean | true | \- | N cancel-btn | String / Boolean / Object | true | Typescript:`boolean \| string \| ButtonProps` | N confirm-btn | String / Boolean / Object | true | Typescript:`boolean \| string \| ButtonProps`,[Button API Documents](./button?tab=api)。[see more ts definition](https://github.com/Tencent/tdesign-miniprogram/tree/develop/src/picker/type.ts) | N footer | Slot | - | `deprecated` | N header | Boolean / Slot | true | \- | N keys | Object | - | Typescript:`KeysType` | N title | String | '' | \- | N value | Array | - | Typescript:`Array` `type PickerValue = string \| number`。[see more ts definition](https://github.com/Tencent/tdesign-miniprogram/tree/develop/src/picker/type.ts) | N default-value | Array | undefined | uncontrolled property。Typescript:`Array` `type PickerValue = string \| number`。[see more ts definition](https://github.com/Tencent/tdesign-miniprogram/tree/develop/src/picker/type.ts) | N visible | Boolean | false | \- | N ### Picker Events name | params | description -- | -- | -- cancel | - | \- change | `(value: Array, label: string, columns: Array<{ column: number; index: number }> )` | \- close | `(trigger: TriggerSource)` | `1.0.1`。[see more ts definition](https://github.com/Tencent/tdesign-miniprogram/tree/develop/src/picker/type.ts)。
`type TriggerSource = 'overlay' \| 'cancel-btn' \| 'confrim-btn'`
confirm | `(value: Array, label: string, columns: Array<{ column: number; index: number }> )` | \- pick | `(value: Array, label: string, column: number, index: number)` | \- ### PickerItem Props name | type | default | description | required -- | -- | -- | -- | -- format | Function | - | Typescript:`(option: PickerItemOption) => string` | N options | Array | [] | Typescript:`PickerItemOption[]` `interface PickerItemOption { label: string; value: string \| number }`。[see more ts definition](https://github.com/Tencent/tdesign-miniprogram/tree/develop/src/picker-item/type.ts) | N