You just need to go to custom fields, select the data to set, and change the type to list. Then you just need to add more items to the list as desired
Allows you to multi select
If the list type is simple, you can manually enter the elements in the list
And if the list type is changed to complicated, it will be attached to the table, and if you want to add elements to the list, you need to add it to the table first. You can multi chooses with this list type
Increase level of a Task helps users and your workgroup understand the importance of Tasks. At the same time with Kanban View mode, tasks of different levels will be grouped differently, making it easy for managers to grasp.