1. Begin by selecting 'Settings' option.

2. Next, choose the 'Custom Fields' option.

3. Now, add a new field by clicking the 'Add Field' button.

4. Select the type of field as 'Signature'.

5. Preview the selected custom field in this section

6. After previewing, proceed by clicking 'Next'.

7. Here, enter your desired field name.

8. Now, select your desired group from the dropdown.

9. Next, add 'Object' following the same dropdown method.

10. Click 'Additional preferences' for more settings.

11. Customize the unique key if desired

12. Feel free to add a description of your field here.

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