Who: Admins turn it on. Each person then turns it on for each device.
Where: Settings → Notifications → Push notifications
Where: Settings → Notifications → Push notifications
1
Turn on Send push notifications
Then select Save.
2
Ask people to turn it on
See Install the app.
Troubleshooting
See Notifications troubleshooting.Related
Who gets notified
Choose who hears about each event.
Install the app
Install desk and turn on notifications.