To add an ownership please begin by opening the block, navigating to the unit list and clicking the small house icon next to the unit you wish you make these changes on.
If there is also a person icon next to your unit like this:
Now this page will have a button called 'Add New Ownership'.
Please click this to create your new owner. Once you have filled out the relevant details please click 'Create'. You will now be taken to the area in which you enter you owners full details such as address etc. Please click the icon of the person with the plus to begin:
Once you have clicked this please either select an existing person if the leaseholder is already on Resident or fill in the details as you would like. Now click 'Create' and you will have set up a new ownership with a Leaseholder inside it.