1. First, click on "Settings".
2. Afterwards, click on "Custom Fields".
3. Once that's done, click on "Add Field".
4. Then, click on "Radio Select".
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. Choose file of your option icon.
11. Afterwards, click on "Add an option" if needed.
12. You may remove any unwanted field if necessary just click the delete icon next to it.
13. Enable custom values by checking the box.
14. Another drop-down menu will appear for object selection.
15. Click on "Additional Preferences" for further customization.
16. If you require a unique key, click to customize it.
17. Add description of the field.
18. To end off, click on "Save".
