| dataSource | Used for setting the source data. The elements that are part of this array will be present the left column. Except the elements whose keys are included in `targetKeys` prop. | \[{key: string.isRequired,title: string.isRequired,description: string,disabled: bool}\] | \[] |
| locale | i18n text including filter, empty text, item unit, etc | object | `{ itemUnit: 'item', itemsUnit: 'items', notFoundContent: 'The list is empty', searchPlaceholder: 'Search here' }` |
| render | The function to generate the item shown on a column. Based on an record (element of the dataSource array), this function should return a element which is generated from that record. Also, it can return a plain object with `value` and `label`, `label` is a element and `value` is for title | Function(record) | |
According the standard of Vue, the key should always be supplied directly to the elements in the array. In Transfer, the keys should be set on the elements included in `dataSource` array. By default, `key` property is used as an unique identifier.