Note: Add people is only available to space Administrators.
Type the first or last name of the person you want to invite and select them from the drop-down menu that appears. You can invite multiple people.
When you add people, they immediately gain access to the space.
To remove or display the Add People button for certain system level roles, go to Control Panel > Content > Space Administration > Space Permissions and check or uncheck the Admin View permission.
is requesting access to a wiki that you have locked: http://my.axerosolutions.com/spaces/5/communifire-documentation/wiki/view/21543/add-people-to-space