Team Officials
Return to the team tab, and tap Add next to Team officials.
You will then see a list of roles applicable to your Association (e.g., Head Coach, Assistant Coach, Doctor, Team Manager, etc.).
To add the Head Coach, tap the plus (+) button next to Unassigned, then choose the registered person from your list.
Return to the Team officials page and repeat the same process for other team officials.
Please take into account that suspended team officials are marked in red, and you will not be able to add them to the lineup
At the bottom of the page, tap + Add team officials to add officials in a different role
...and then tap the plus 
button next to the role you want to add to the line-up.
Team Officials management is also available in the MyCOMET interface.