1. Start by navigating to the settings menu.

2. Next, select the custom fields option.

3. Proceed to add a new field.

4. Choose 'Number' from the list of options.

5. Take a look at the 'number' custom field preview.

6. When you're ready, click 'Next'.

7. Now, input a name for your new field.

8. Select a group for your field.

9. You can provide a placeholder if you desire.

10. Specify the object this field will connect to.

11. Consider adding prefill data for forms and surveys.

12. For more options, click on 'Additional preferences'.

13. Customize the unique identifier of your field if needed.

14. Consider providing a succinct description.

15. Finally, save your progress by clicking 'Save'.
