In order to add a unit, open the Portfolio page from the Property Operations left-side menu.
Choose the desired property and click "View property" on its card:
Press the "Add unit" button near the Actions menu:
Fill in all the required fields and press "Create" to complete the process. After you have created a unit, you can move a tenant in or list this unit:
Unit information is divided into tabs: Profile and Service providers.
Service providers tab indicates who is responsible for maintaining and paying the utility service: Landlord or Tenant (this information will be automatically filled in while creating the lease).
The links below might be useful:
How do I create a lease?
How to list a unit to Marketing websites?