When creating a new lease agreement or e.g. when a second tenant is needed in an existing lease agreement, you have the option to add a new contact.
Step-by-step guide:
1. Go to Tenancies in the main menu
2. Select the tenancy where you want to add a contact
3. Go to Tenants & contacts in the lease menu
4. Select Add tenant
5. Either select an existing contact or create a new one