i) You can assign or tag more than one user to your activity by entering user name after “@“ tag. When you enter “@“ in activity line, the list of all frequently used user names will appear on the screen. You can either type your user name or select from the drop-down list.
ii) If you want to add additional details for the tagged user, simply go to Settings by clicking on your name on the top right corner of the Activity screen and select Users.
iii) Select a user you want to edit or add additional details. You can edit the name, add phone number, email and brief description for the user. Once done, click on Save.