This is only to assist with enabling soft-deletion for your models within Voyager. Please refer to the Laravel documentation for specifics.
When creating a table using the Database Manager you've selected the 'Add Soft Deletes' button and then when adding the BREAD functionality to that table you've added a Model Name, you only have to edit your Model file to fully enable Soft-Delete on that table.
A default model will look like this:
Just turn it into:
And from now on, every time you delete a record from that table, it won't actually be deleted, only the deleted_at
column will be written with the current timestamp.