After successfully performing a "Certificates Search" in the Certificates component, you will be presented with a list of one or more certificates. By selecting the "Edit" button next to the certificate you wish to work with, you will be brought to the "Certificate" sub-tab page. From the "Certificate" sub-tab page select the "Persons" sub-tab page. This will present you with a list of all persons to whom the selected certificate has been assigned.
To assign a new person to this certificate, click the "Add Persons" button. This will open a separate "Select Person" window where you can search from all persons housed within your implementation of SkillsPlus. After performing the search you will be presented with a list of your results. Simply select the person(s) you wish to assign to the certificate and click on the "Select" button. You will automatically be brought back to the "Persons" sub-tab page.