diff --git a/generated/twdmchanneltuningperformancemonitoringhistorydatapart3.go b/generated/twdmchanneltuningperformancemonitoringhistorydatapart3.go
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+/*
+ * Copyright (c) 2018 - present.  Boling Consulting Solutions (bcsw.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/*
+ * NOTE: This file was generated, manual edits will be overwritten!
+ *
+ * Generated by 'goCodeGenerator.py':
+ *              https://github.com/cboling/OMCI-parser/README.md
+ */
+
+package generated
+
+import "github.com/deckarep/golang-set"
+
+// TwdmChannelTuningPerformanceMonitoringHistoryDataPart3ClassID is the 16-bit ID for the OMCI
+// Managed entity TWDM channel tuning performance monitoring history data part 3
+const TwdmChannelTuningPerformanceMonitoringHistoryDataPart3ClassID ClassID = ClassID(451)
+
+var twdmchanneltuningperformancemonitoringhistorydatapart3BME *ManagedEntityDefinition
+
+// TwdmChannelTuningPerformanceMonitoringHistoryDataPart3 (class ID #451)
+//	This ME collects remaining tuning-control-related PM data associated with the slot/circuit pack,
+//	hosting one or more ANI-G MEs, for a specific TWDM channel. Instances of this ME are created and
+//	deleted by the OLT.
+//
+//	The relevant events this ME is concerned with are counted towards the PM statistics associated
+//	with the source TWDM channel. This ME contains the counters characterized as optional in clause
+//	14 of [ITU-T-G.989.3].
+//
+//	For a complete discussion of generic PM architecture, refer to clause I.4.
+//
+//	Relationships
+//		An instance of this ME is associated with an instance of TWDM channel ME.
+//
+//	Attributes
+//		Managed Entity Id
+//			Managed entity ID: This attribute uniquely identifies each instance of this ME. Through an
+//			identical ID, this ME is implicitly linked to an instance of the TWDM channel ME. (R,
+//			setbycreate) (mandatory) (2-bytes)
+//
+//		Interval End Time
+//			Interval end time: This attribute identifies the most recently finished 15-min interval. (R)
+//			(mandatory) (1-byte)
+//
+//		Threshold Data 1_2 Id
+//			Threshold data 1/2 ID: This attribute points to an instance of the threshold data 1 and 2 MEs
+//			that contains PM threshold values. (R,-W, setbycreate) (mandatory) (2-bytes)
+//
+//		Tuning Control Requests Rollback_Ds_Albl
+//			Tuning control requests Rollback/DS_ALBL: The counter of controlled tuning attempts that failed
+//			due to downstream administrative label inconsistency, as indicated by the Tuning_Response PLOAM
+//			message with Rollback operation code and DS_ALBL response code. (R) (mandatory) (4-byte)
+//
+//		Tuning Control Requests Rollback_Ds_Lktp
+//			Tuning control requests Rollback/DS_LKTP: The counter of controlled tuning attempts that failed
+//			due to downstream optical link type inconsistency, as indicated by the Tuning_Response PLOAM
+//			message with Rollback operation code and DS_LKTP response code. (R) (mandatory) (4-byte)
+//
+//		Tuning Control Requests Rollback_Us_Albl
+//			Tuning control requests Rollback/US_ALBL: The counter of controlled tuning attempts that failed
+//			due to upstream administrative label violation, as indicated by the Tuning_Response PLOAM
+//			message with Rollback operation code and US_ALBL response code. (R) (mandatory) (4-byte)
+//
+//		Tuning Control Requests Rollback_Us_Void
+//			Tuning control requests Rollback/US_VOID: The counter of controlled tuning attempts that failed
+//			due to the target upstream wavelength channel descriptor being void, as indicated by the
+//			Tuning_Response PLOAM message with Rollback operation code and US_VOID response code. (R)
+//			(mandatory) (4-byte)
+//
+//		Tuning Control Requests Rollback_Us_Tunr
+//			Tuning control requests Rollback/US_TUNR: The counter of controlled tuning attempts that failed
+//			due to the transmitter tuning range violation, as indicated by the Tuning_Response PLOAM message
+//			with Rollback operation code and US_TUNR response code. (R) (mandatory) (4-byte)
+//
+//		Tuning Control Requests Rollback_Us_Lktp
+//			Tuning control requests Rollback/US_LKTP: The counter of controlled tuning attempts that failed
+//			due to the upstream optical link type violation, as indicated by the Tuning_Response PLOAM
+//			message with Rollback operation code and US_LKTP response code. (R) (mandatory) (4-byte)
+//
+//		Tuning Control Requests Rollback_Us_Lnrt
+//			Tuning control requests Rollback/US_LNRT: The counter of controlled tuning attempts that failed
+//			due to the upstream line rate violation, as indicated by the Tuning_Response PLOAM message with
+//			Rollback operation code and US_LNRT response code. (R) (mandatory) (4-byte)
+//
+//		Tuning Control Requests Rollback_Us_Lncd
+//			Tuning control requests Rollback/US_LNCD: The counter of controlled tuning attempts that failed
+//			due to the upstream line code violation, as indicated by the Tuning_Response PLOAM message with
+//			Rollback operation code and US_LNCD response code. (R) (mandatory) (4-byte)
+//
+type TwdmChannelTuningPerformanceMonitoringHistoryDataPart3 struct {
+	ManagedEntityDefinition
+	Attributes AttributeValueMap
+}
+
+func init() {
+	twdmchanneltuningperformancemonitoringhistorydatapart3BME = &ManagedEntityDefinition{
+		Name:    "TwdmChannelTuningPerformanceMonitoringHistoryDataPart3",
+		ClassID: 451,
+		MessageTypes: mapset.NewSetWith(
+			Create,
+			Delete,
+			Get,
+			GetCurrentData,
+			Set,
+		),
+		AllowedAttributeMask: 0xffc0,
+		AttributeDefinitions: AttributeDefinitionMap{
+			0:  Uint16Field("ManagedEntityId", PointerAttributeType, 0x0000, 0, mapset.NewSetWith(Read, SetByCreate), false, false, false, 0),
+			1:  ByteField("IntervalEndTime", UnsignedIntegerAttributeType, 0x8000, 0, mapset.NewSetWith(Read), false, false, false, 1),
+			2:  Uint16Field("ThresholdData12Id", UnsignedIntegerAttributeType, 0x4000, 0, mapset.NewSetWith(Read, SetByCreate, Write), false, false, false, 2),
+			3:  Uint32Field("TuningControlRequestsRollbackDsAlbl", CounterAttributeType, 0x2000, 0, mapset.NewSetWith(Read), false, false, false, 3),
+			4:  Uint32Field("TuningControlRequestsRollbackDsLktp", CounterAttributeType, 0x1000, 0, mapset.NewSetWith(Read), false, false, false, 4),
+			5:  Uint32Field("TuningControlRequestsRollbackUsAlbl", CounterAttributeType, 0x0800, 0, mapset.NewSetWith(Read), false, false, false, 5),
+			6:  Uint32Field("TuningControlRequestsRollbackUsVoid", CounterAttributeType, 0x0400, 0, mapset.NewSetWith(Read), false, false, false, 6),
+			7:  Uint32Field("TuningControlRequestsRollbackUsTunr", CounterAttributeType, 0x0200, 0, mapset.NewSetWith(Read), false, false, false, 7),
+			8:  Uint32Field("TuningControlRequestsRollbackUsLktp", CounterAttributeType, 0x0100, 0, mapset.NewSetWith(Read), false, false, false, 8),
+			9:  Uint32Field("TuningControlRequestsRollbackUsLnrt", CounterAttributeType, 0x0080, 0, mapset.NewSetWith(Read), false, false, false, 9),
+			10: Uint32Field("TuningControlRequestsRollbackUsLncd", CounterAttributeType, 0x0040, 0, mapset.NewSetWith(Read), false, false, false, 10),
+		},
+		Access:  CreatedByOlt,
+		Support: UnknownSupport,
+	}
+}
+
+// NewTwdmChannelTuningPerformanceMonitoringHistoryDataPart3 (class ID 451) creates the basic
+// Managed Entity definition that is used to validate an ME of this type that
+// is received from or transmitted to the OMCC.
+func NewTwdmChannelTuningPerformanceMonitoringHistoryDataPart3(params ...ParamData) (*ManagedEntity, OmciErrors) {
+	return NewManagedEntity(*twdmchanneltuningperformancemonitoringhistorydatapart3BME, params...)
+}