As long as the event has enabled the setting to do so, coaches and managers can update who the primary coach on a team is for when the event is sorting coaching conflicts for a team.
1. Login to the coach/manager account at system.gotsport.com
2. From within the account locate the "Team Management" button and click on it
3. Locate the team that is being worked on and click on the team name
4. Click on the "Team Registrations" button
5. Click on the event that the coach needs to be adjusted
6. Click on the "Roster" button within the event registration
7. When you click on the "Coaches" button, you'll see the list of coaches on the registration roster and be able to click the drop down to toggle between primary/assistant accordingly. Whoever is set as the primary coach will be the one that appears in the coaches conflict report in the event.