From the Building List screen search for the building you'd like to add the contact to
Click the building name
Click the 'Contacts' tab
Type the contact's name into the search box
>>>PLEASE NOTE: Only already added contacts will appear in the search
Click the green + button to add the contact to the building
Repeat this process until all contacts have been added to the building.
Need help? Contact our Support Team at firstname.lastname@example.org or submit a support ticket through the "Submit a request" link above.