| Name | Type | Description | Notes |
|---|---|---|---|
| table_name | string | The name of the table to perform the operation on. Alternatively, you can use the `table_id` instead of `table_name`. If using `table_id`, ensure that the key in the request body is replaced accordingly. | [optional] |
| columns | \SeaTable\Client\Base\AppendColumnsRequestColumnsInner[] | [optional] |