Indicates the type of event being reported.

domain_name: Must be set to "tmf_mtnm"

type_name: Must be set to one of:
-  "NT_OBJECT_CREATION"
-  "NT_OBJECT_DELETION"
-  "NT_ATTRIBUTE_VALUE_CHANGE"
-  "NT_STATE_CHANGE"
-  "NT_ROUTE_CHANGE"
-  "NT_PROTECTION_SWITCH"
-  "NT_EPROTECTION_SWITCH"
-  "NT_TCA"
-  "NT_ALARM"
-  "NT_FILE_TRANSFER_STATUS"
-  "NT_PM_SC"
-  "NT_BACKUP_STATUS"
-  "NT_HEARTBEAT"

Readable by NMS? Yes
Writeable by NMS? No
Invariant? Yes
