1. Click on "Settings."
2. Next, click on "Custom Fields".
3. Afterwards, click on "Add Field".
4. Afterwards, click on "Number".
5. Review the preview section to ensure the field meets your needs.
6. If satisfied, click "Next" to proceed.
7. Enter a name in the "Field Name" section.
8. Use the drop-down menu to select a "Group."
9. If needed, add a placeholder by clicking the appropriate option.
10. Another drop-down menu will appear for object selection.
11. If creating a form or survey, add a prefill value.
12. Click on "Additional Preferences" for further customization.
13. If you require a unique key, click to customize it.
14. Give your new custom field a description in the provided space.
15. As the last step, click on "Save".
