1. Begin by opening your settings.

2. Next, please navigate to custom fields.

3. Then, go ahead and add a new field.

4. Choose the field type by selecting 'Radio Select.'

5. Take a moment to review your selected custom field.

6. Continue by clicking on 'Next.'

7. Now, name your new field.

8. After that, select a group for your field.

9. Choose a relevant object for your field.

10. Enter a name for your option.

11. Enhance your option with an icon.

12. You may remove any unwanted field if necessary.

13. Add more options if needed.

14. Enable custom values by checking the box.

15. Click on 'Additional preferences.'

16. Optionally set a unique key.

17. Describe your field for clarity and future reference.

18. Finally, save all changes to finish.
