Virtual Observe Notify 22 urn:oma:lwm2m:oma:22:1.1 1.1 1.1 Multiple Optional ObserveLinks RW Multiple Mandatory Corelnk Report R Single Mandatory String ResourceFilter RW Single Optional Boolean ReportLinks RW Multiple Optional Corelnk ObserveRelation RW Single Optional Integer Virtual Observe Report Format RW Single Optional Integer Virtual Observe Report R Single Optional Opaque