| AdditionalFields | Additional information about the entity or event | Object | 
      
          | DeviceId | Unique identifier for the device in the service | String | 
      
          | DeviceName | Fully qualified domain name (FQDN) of the device | String | 
      
          | LastSeenTime | Date and time when the service last saw the device | DateTime | 
      
          | MachineGroup |  | String | 
      
          | OSPlatform | Platform of the operating system running on the device. This indicates specific operating systems, including variations within the same family, such as Windows 10 and Windows 7 | String | 
      
          | SourceSystem |  | String | 
      
          | TenantId |  | String | 
      
          | Timestamp | Date and time when the record was generated | DateTime | 
      
          | Type |  | String |