| multiple | Support multiple or not, will be `true` when enable `treeCheckable`. | boolean | false |
| placeholder | Placeholder of the select input | string\|slot | - |
| searchPlaceholder | Placeholder of the search input | string\|slot | - |
| searchValue(.sync) | work with `search` event to make search value controlled. | string | - |
| showCheckedStrategy | The way show selected item in box. **Default:** just show child nodes. **`TreeSelect.SHOW_ALL`:** show all checked treeNodes (include parent treeNode). **`TreeSelect.SHOW_PARENT`:** show checked treeNodes (just show parent treeNode). | enum { TreeSelect.SHOW_ALL, TreeSelect.SHOW_PARENT, TreeSelect.SHOW_CHILD } | TreeSelect.SHOW_CHILD |
| showSearch | Whether to display a search input in the dropdown menu(valid only in the single mode) | boolean | false |
| size | To set the size of the select input, options: `large``small` | string | 'default' |