1. To kick off, click "Settings"
2. Click on "Custom Fields".
3. Click on "Add Field".
4. Now, click on "Checkbox".
5. Review your selected custom field.
6. Click "Next" to proceed.
7. Enter a name in the "Field Name" section.
8. Use the drop-down menu to select a "Group."
9. Enter a name of your option.
10. Enter the option value.
11. Following that, click on "Add an option" if necessary.
12. You may remove any unwanted field if necessary just click the delete icon next to it.
13. Another drop-down menu will appear for object selection.
14. Click on "Additional Preferences" for further customization.
15. If you require a unique key, click to customize it.
16. Add a description of your field.
17. Lastly, click on "Save".
