diff --git a/generated/vpperformancemonitoringhistorydata.go b/generated/vpperformancemonitoringhistorydata.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"
+
+// VpPerformanceMonitoringHistoryDataClassID is the 16-bit ID for the OMCI
+// Managed entity VP performance monitoring history data
+const VpPerformanceMonitoringHistoryDataClassID ClassID = ClassID(62)
+
+var vpperformancemonitoringhistorydataBME *ManagedEntityDefinition
+
+// VpPerformanceMonitoringHistoryData (class ID #62)
+//	This ME collects PM data associated with a VP network CTP. Instances of this ME are created and
+//	deleted by the OLT.
+//
+//	Relationships
+//		An instance of this ME is associated with an instance of the VP network CTP ME. The performance
+//		of upstream ATM flows is reported.
+//
+//	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 VP network CTP. (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 ME that
+//			contains PM threshold values. Since no threshold value attribute number exceeds 7, a threshold
+//			data 2 ME is optional. (R,-W, setbycreate) (mandatory) (2-bytes)
+//
+//		Lost C 0 1 Cells
+//			Lost C-= 0-+ 1 cells: This attribute counts all cell loss. It cannot distinguish between cells
+//			lost because of header bit errors, ATM-level header errors, cell policing, or buffer overflows.
+//			It records only loss of information, independent of the priority of the cell. (R) (mandatory)
+//			(2-bytes)
+//
+//		Lost C_= 0 Cells
+//			Lost C-= 0 cells: This attribute counts loss of high priority cells. It cannot distinguish
+//			between cells lost because of header bit errors, ATM-level header errors, cell policing, or
+//			buffer overflows. It records only loss of high priority cells. (R) (mandatory) (2-bytes)
+//
+//		Misinserted Cells
+//			Misinserted cells: This attribute counts cells that are misrouted to a monitored VP. (R)
+//			(mandatory) (2-bytes)
+//
+//		Transmitted C_= 0 _ 1 Cells
+//			Transmitted C-= 0-+ 1 cells: This attribute counts cells originated by the transmitting end
+//			point (i.e., backward reporting is assumed). (R) (mandatory) (5-bytes)
+//
+//		Transmitted C_= 0 Cells
+//			Transmitted C-= 0 cells: This attribute counts high priority cells originated by the
+//			transmitting end point (i.e., backward reporting is assumed). (R) (mandatory) (5-bytes)
+//
+//		Impaired Block
+//			Impaired blocks: This severely errored cell block counter is incremented whenever one of the
+//			following events takes place: the number of misinserted cells reaches its threshold; the number
+//			of bipolar violations reaches its threshold; or the number of lost cells reaches its threshold.
+//			Threshold values are based on vendor-operator negotiation. (R) (mandatory) (2-bytes)
+//
+type VpPerformanceMonitoringHistoryData struct {
+	ManagedEntityDefinition
+	Attributes AttributeValueMap
+}
+
+func init() {
+	vpperformancemonitoringhistorydataBME = &ManagedEntityDefinition{
+		Name:    "VpPerformanceMonitoringHistoryData",
+		ClassID: 62,
+		MessageTypes: mapset.NewSetWith(
+			Create,
+			Delete,
+			Get,
+			Set,
+		),
+		AllowedAttributeMask: 0xff00,
+		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: Uint16Field("LostC01Cells", CounterAttributeType, 0x2000, 0, mapset.NewSetWith(Read), false, false, false, 3),
+			4: Uint16Field("LostC=0Cells", CounterAttributeType, 0x1000, 0, mapset.NewSetWith(Read), false, false, false, 4),
+			5: Uint16Field("MisinsertedCells", CounterAttributeType, 0x0800, 0, mapset.NewSetWith(Read), false, false, false, 5),
+			6: MultiByteField("TransmittedC=01Cells", CounterAttributeType, 0x0400, 5, toOctets("AAAAAAA="), mapset.NewSetWith(Read), false, false, false, 6),
+			7: MultiByteField("TransmittedC=0Cells", CounterAttributeType, 0x0200, 5, toOctets("AAAAAAA="), mapset.NewSetWith(Read), false, false, false, 7),
+			8: Uint16Field("ImpairedBlock", CounterAttributeType, 0x0100, 0, mapset.NewSetWith(Read), false, false, false, 8),
+		},
+		Access:  CreatedByOlt,
+		Support: UnknownSupport,
+	}
+}
+
+// NewVpPerformanceMonitoringHistoryData (class ID 62) 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 NewVpPerformanceMonitoringHistoryData(params ...ParamData) (*ManagedEntity, OmciErrors) {
+	return NewManagedEntity(*vpperformancemonitoringhistorydataBME, params...)
+}