By default your Tasks come with the following fields: Priority, Status, Assigned, Start Date, Due Date, Finished, and Tags. You can choose to show or hide all of these fields and you can also give them custom labels, custom options, and custom colors. If you need to add more information to your tasks you can also add custom fields.
You can add up to two custom date fields and up to four text fields. To learn how to add custom fields to your tasks follow the steps in the image below:
When you've added your custom fields to your tasks they'll show up like this in your Task editor: