diff --git a/generated/ethernetperformancemonitoringhistorydata.go b/generated/ethernetperformancemonitoringhistorydata.go
index 37e2876..ea56521 100644
--- a/generated/ethernetperformancemonitoringhistorydata.go
+++ b/generated/ethernetperformancemonitoringhistorydata.go
@@ -1,13 +1,13 @@
 /*
  * Copyright (c) 2018 - present.  Boling Consulting Solutions (bcsw.net)
  * Copyright 2020-present Open Networking Foundation
-
+ *
  * 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.
@@ -118,10 +118,29 @@
 	Attributes AttributeValueMap
 }
 
+// Attribute name constants
+
+const EthernetPerformanceMonitoringHistoryData_IntervalEndTime = "IntervalEndTime"
+const EthernetPerformanceMonitoringHistoryData_ThresholdData12Id = "ThresholdData12Id"
+const EthernetPerformanceMonitoringHistoryData_FcsErrors = "FcsErrors"
+const EthernetPerformanceMonitoringHistoryData_ExcessiveCollisionCounter = "ExcessiveCollisionCounter"
+const EthernetPerformanceMonitoringHistoryData_LateCollisionCounter = "LateCollisionCounter"
+const EthernetPerformanceMonitoringHistoryData_FramesTooLong = "FramesTooLong"
+const EthernetPerformanceMonitoringHistoryData_BufferOverflowsOnReceive = "BufferOverflowsOnReceive"
+const EthernetPerformanceMonitoringHistoryData_BufferOverflowsOnTransmit = "BufferOverflowsOnTransmit"
+const EthernetPerformanceMonitoringHistoryData_SingleCollisionFrameCounter = "SingleCollisionFrameCounter"
+const EthernetPerformanceMonitoringHistoryData_MultipleCollisionsFrameCounter = "MultipleCollisionsFrameCounter"
+const EthernetPerformanceMonitoringHistoryData_SqeCounter = "SqeCounter"
+const EthernetPerformanceMonitoringHistoryData_DeferredTransmissionCounter = "DeferredTransmissionCounter"
+const EthernetPerformanceMonitoringHistoryData_InternalMacTransmitErrorCounter = "InternalMacTransmitErrorCounter"
+const EthernetPerformanceMonitoringHistoryData_CarrierSenseErrorCounter = "CarrierSenseErrorCounter"
+const EthernetPerformanceMonitoringHistoryData_AlignmentErrorCounter = "AlignmentErrorCounter"
+const EthernetPerformanceMonitoringHistoryData_InternalMacReceiveErrorCounter = "InternalMacReceiveErrorCounter"
+
 func init() {
 	ethernetperformancemonitoringhistorydataBME = &ManagedEntityDefinition{
 		Name:    "EthernetPerformanceMonitoringHistoryData",
-		ClassID: 24,
+		ClassID: EthernetPerformanceMonitoringHistoryDataClassID,
 		MessageTypes: mapset.NewSetWith(
 			Create,
 			Delete,
@@ -131,23 +150,23 @@
 		),
 		AllowedAttributeMask: 0xffff,
 		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", PointerAttributeType, 0x4000, 0, mapset.NewSetWith(Read, SetByCreate, Write), false, false, false, 2),
-			3:  Uint32Field("FcsErrors", CounterAttributeType, 0x2000, 0, mapset.NewSetWith(Read), false, false, false, 3),
-			4:  Uint32Field("ExcessiveCollisionCounter", CounterAttributeType, 0x1000, 0, mapset.NewSetWith(Read), false, false, false, 4),
-			5:  Uint32Field("LateCollisionCounter", CounterAttributeType, 0x0800, 0, mapset.NewSetWith(Read), false, false, false, 5),
-			6:  Uint32Field("FramesTooLong", CounterAttributeType, 0x0400, 0, mapset.NewSetWith(Read), false, false, false, 6),
-			7:  Uint32Field("BufferOverflowsOnReceive", CounterAttributeType, 0x0200, 0, mapset.NewSetWith(Read), false, false, false, 7),
-			8:  Uint32Field("BufferOverflowsOnTransmit", CounterAttributeType, 0x0100, 0, mapset.NewSetWith(Read), false, false, false, 8),
-			9:  Uint32Field("SingleCollisionFrameCounter", CounterAttributeType, 0x0080, 0, mapset.NewSetWith(Read), false, false, false, 9),
-			10: Uint32Field("MultipleCollisionsFrameCounter", CounterAttributeType, 0x0040, 0, mapset.NewSetWith(Read), false, false, false, 10),
-			11: Uint32Field("SqeCounter", CounterAttributeType, 0x0020, 0, mapset.NewSetWith(Read), false, false, false, 11),
-			12: Uint32Field("DeferredTransmissionCounter", CounterAttributeType, 0x0010, 0, mapset.NewSetWith(Read), false, false, false, 12),
-			13: Uint32Field("InternalMacTransmitErrorCounter", CounterAttributeType, 0x0008, 0, mapset.NewSetWith(Read), false, false, false, 13),
-			14: Uint32Field("CarrierSenseErrorCounter", CounterAttributeType, 0x0004, 0, mapset.NewSetWith(Read), false, false, false, 14),
-			15: Uint32Field("AlignmentErrorCounter", CounterAttributeType, 0x0002, 0, mapset.NewSetWith(Read), false, false, false, 15),
-			16: Uint32Field("InternalMacReceiveErrorCounter", CounterAttributeType, 0x0001, 0, mapset.NewSetWith(Read), false, false, false, 16),
+			0:  Uint16Field(ManagedEntityID, PointerAttributeType, 0x0000, 0, mapset.NewSetWith(Read, SetByCreate), false, false, false, 0),
+			1:  ByteField(EthernetPerformanceMonitoringHistoryData_IntervalEndTime, UnsignedIntegerAttributeType, 0x8000, 0, mapset.NewSetWith(Read), false, false, false, 1),
+			2:  Uint16Field(EthernetPerformanceMonitoringHistoryData_ThresholdData12Id, PointerAttributeType, 0x4000, 0, mapset.NewSetWith(Read, SetByCreate, Write), false, false, false, 2),
+			3:  Uint32Field(EthernetPerformanceMonitoringHistoryData_FcsErrors, CounterAttributeType, 0x2000, 0, mapset.NewSetWith(Read), false, false, false, 3),
+			4:  Uint32Field(EthernetPerformanceMonitoringHistoryData_ExcessiveCollisionCounter, CounterAttributeType, 0x1000, 0, mapset.NewSetWith(Read), false, false, false, 4),
+			5:  Uint32Field(EthernetPerformanceMonitoringHistoryData_LateCollisionCounter, CounterAttributeType, 0x0800, 0, mapset.NewSetWith(Read), false, false, false, 5),
+			6:  Uint32Field(EthernetPerformanceMonitoringHistoryData_FramesTooLong, CounterAttributeType, 0x0400, 0, mapset.NewSetWith(Read), false, false, false, 6),
+			7:  Uint32Field(EthernetPerformanceMonitoringHistoryData_BufferOverflowsOnReceive, CounterAttributeType, 0x0200, 0, mapset.NewSetWith(Read), false, false, false, 7),
+			8:  Uint32Field(EthernetPerformanceMonitoringHistoryData_BufferOverflowsOnTransmit, CounterAttributeType, 0x0100, 0, mapset.NewSetWith(Read), false, false, false, 8),
+			9:  Uint32Field(EthernetPerformanceMonitoringHistoryData_SingleCollisionFrameCounter, CounterAttributeType, 0x0080, 0, mapset.NewSetWith(Read), false, false, false, 9),
+			10: Uint32Field(EthernetPerformanceMonitoringHistoryData_MultipleCollisionsFrameCounter, CounterAttributeType, 0x0040, 0, mapset.NewSetWith(Read), false, false, false, 10),
+			11: Uint32Field(EthernetPerformanceMonitoringHistoryData_SqeCounter, CounterAttributeType, 0x0020, 0, mapset.NewSetWith(Read), false, false, false, 11),
+			12: Uint32Field(EthernetPerformanceMonitoringHistoryData_DeferredTransmissionCounter, CounterAttributeType, 0x0010, 0, mapset.NewSetWith(Read), false, false, false, 12),
+			13: Uint32Field(EthernetPerformanceMonitoringHistoryData_InternalMacTransmitErrorCounter, CounterAttributeType, 0x0008, 0, mapset.NewSetWith(Read), false, false, false, 13),
+			14: Uint32Field(EthernetPerformanceMonitoringHistoryData_CarrierSenseErrorCounter, CounterAttributeType, 0x0004, 0, mapset.NewSetWith(Read), false, false, false, 14),
+			15: Uint32Field(EthernetPerformanceMonitoringHistoryData_AlignmentErrorCounter, CounterAttributeType, 0x0002, 0, mapset.NewSetWith(Read), false, false, false, 15),
+			16: Uint32Field(EthernetPerformanceMonitoringHistoryData_InternalMacReceiveErrorCounter, CounterAttributeType, 0x0001, 0, mapset.NewSetWith(Read), false, false, false, 16),
 		},
 		Access:  CreatedByOlt,
 		Support: UnknownSupport,