Client Settings on Boundary Groups
I'd like to see the option of deploying custom client settings directly to boundary groups so that we can provide bespoke settings based on a particular site. I'm not aware of a method to create a collection based on a boundary group but having the option to assign client settings directly to a BG would be useful.
if you're on SCCM CB 19xx or 20xx, You can get all devices in a boundarygroup, using the wmi class SMS_CombinedDeviceResources
Try to build your collection with following query
left join SMS_CombinedDeviceResources on SMS_CombinedDeviceResources.ResourceId = SMS_R_System.ResourceId
(replace BGNAME with actual boundarygroup name :) )
You can then apply the client settings to the collection.