Capabilities/moodle/site:viewfullnames
From MoodleDocs
moodle/site:viewfullnames allows a user to view the full name of other users all the time.
Note: This documentation is for Moodle 2.7. For up-to-date documentation see Capabilities/moodle/site:viewfullnames.
moodle/site:viewfullnames allows a user to view the full name of other users all the time.