Templates/DynamicGroups/Ownership-Groups.json

{
    "groups": [
        {
            "displayName": "Intune - Corporate Owned Devices",
            "description": "All corporate owned devices managed by Intune",
            "membershipRule": "(device.deviceOwnership -eq \"Company\")"
        },
        {
            "displayName": "Intune - BYOD Devices",
            "description": "All personally owned devices managed by Intune",
            "membershipRule": "(device.deviceOwnership -eq \"Personal\")"
        }
    ]
}