create custom device groups and subgroups?

create custom device groups and subgroups?

Hello,
 
I have a rather large network that I want to monitor using OpManager
I would like to have some sort of dashboard where I can group my devices in a custom way.
 
For example i want to have a group called "Building 1" inside which I want to have subgroups like "Wireless Access Points" "Switches" "Routers" "Printers" "Jboss servers" "Other custom devices group" and inside those I want to have the actual monitored devices.
 
Is it possible to create such a setup? because the standard  servers, switches, etc groups in OpManager just won't cut it for me i need to group them by other types as well.
 
Thanks

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