Sometimes, rather than adding capabilities to an existing role, you need to create a whole new role. The code to do so is relatively easy. Again, place these lines in your theme's functions.php file: … [Read more...] about Creating roles
capabilities
Changing roles’ capabilities
If you need to change one or two capabilities, it's relatively easy to do so with a few lines of code in a plugin or your theme functions file. For example, if we wanted to allow any logged-in user to view our private posts and pages, we would need to grant them two additional … [Read more...] about Changing roles’ capabilities