How to change Dispaly name of email account in Zimbra

Check current display name of zimbra email account

$ zmprov -l ga shahzad@example.com | grep displayName
displayName: Shahzad

Change display name of zimbra email account
$ zmprov ma shahzad@example.com displayName "Shahzad Alam"

Check status again

$ zmprov -l ga shahzad@example.com | grep displayName
displayName: Shahzad Alam