Lock Screen Notifications: Grouped

[TheRev]

I cannot find how to get my lock screen notifications grouped by app, to make best use of space.

Please help. Thanks. 

[ansarimsj]

If you go to settings>notifications>select sort notifications.

It can be only set by priority or time.

Some apps like Gmail, WhatsApp are grouped by default. Not sure whether it is supported for all the different apps.