Creating and adding new fields in the incident and requect ticket form

Can we add our own fields in the incident new ticket form?
similarly for request ticket form

Yes, we can create fields using the Form Fields option. These fields are generic across projects. To learn how to create form fields and add project-specific additional fields, please refer to the following links.

https://help.sapphireims.com/form_fields.htm
https://help.sapphireims.com/Additional_Fields_newUI.htm