diff --git a/generated/pseudowireperformancemonitoringhistorydata.go b/generated/pseudowireperformancemonitoringhistorydata.go
new file mode 100644
index 0000000..a886924
--- /dev/null
+++ b/generated/pseudowireperformancemonitoringhistorydata.go
@@ -0,0 +1,173 @@
+/*
+ * 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"
+
+// PseudowirePerformanceMonitoringHistoryDataClassID is the 16-bit ID for the OMCI
+// Managed entity Pseudowire performance monitoring history data
+const PseudowirePerformanceMonitoringHistoryDataClassID ClassID = ClassID(285)
+
+var pseudowireperformancemonitoringhistorydataBME *ManagedEntityDefinition
+
+// PseudowirePerformanceMonitoringHistoryData (class ID #285)
+//	This ME collects PM for a pseudowire TP. Most of the attributes monitor packets received from
+//	the PSN, and may therefore be considered egress PM. For the most part, ingress PM is collected
+//	at the CES PPTP ME.
+//
+//	NOTE - The pseudowire PM history data ME collects data similar, but not identical, to that
+//	available from the MAC bridge port PM history data ME associated with a MAC bridge. When the
+//	pseudowire is bridge-based, it may not be necessary to collect both.
+//
+//	Instances of this ME are created and deleted by the OLT.
+//
+//	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 the pseudowire TP.
+//
+//	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 pseudowire TP. (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)
+//
+//		Received Packets
+//			Received packets: This attribute counts the total number of packets, both payload and
+//			signalling, received in the PSN to the TDM direction. (R) (mandatory) (4-bytes)
+//
+//		Transmitted Packets
+//			Transmitted packets: This attribute counts the total number of packets, both payload and
+//			signalling, transmitted in the TDM to the PSN direction. The count includes packets whose L bit
+//			is set and which may therefore not contain a payload. (R) (mandatory) (4-bytes)
+//
+//		Missing Packets
+//			Missing packets: This attribute counts the number of lost packets, as indicated by gaps in the
+//			control word numbering sequence. Both payload and signalling packets, if any, contribute to this
+//			count. (R) (mandatory) (4-bytes)
+//
+//		Misordered Packets, Usable
+//			Misordered packets, usable: This attribute counts the number of packets received out of order,
+//			but which were able to be successfully re-ordered and played out. Both payload and signalling
+//			packets, if any, contribute to this count. (R) (mandatory) (4-bytes)
+//
+//		Misordered Packets Dropped
+//			Misordered packets dropped: This attribute counts the number of packets received out of sequence
+//			that were discarded, either because the ONU did not support reordering or because it was too
+//			late to reorder them. Both payload and signalling packets, if any, contribute to this count. (R)
+//			(mandatory) (4-bytes)
+//
+//		Playout Buffer Underruns_Overruns
+//			Playout buffer underruns/overruns: This attribute counts the number of packets that were
+//			discarded because they arrived too late or too early to be played out. Both payload and
+//			signalling packets, if any, contribute to this count. (R) (mandatory) (4-bytes)
+//
+//		Malformed Packets
+//			Malformed packets: This attribute counts the number of malformed packets, e.g., because the
+//			packet length was not as expected or because of an unexpected RTP payload type. Both payload and
+//			signalling packets, if any, contribute to this count. (R) (mandatory) (4-bytes)
+//
+//		Stray Packets
+//			Stray packets: This attribute counts the number of packets whose ECID or RTP SSRC failed to
+//			match the expected value, or which are otherwise known to have been misdelivered. Stray packets
+//			are discarded without affecting any of the other PM counters. Both payload and signalling
+//			packets, if any, contribute to this count. (R) (mandatory) (4-bytes)
+//
+//		Remote Packet Loss
+//			Remote packet loss: This attribute counts received packets whose R bit is set, indicating the
+//			loss of packets at the far end. Both payload and signalling packets, if any, contribute to this
+//			count. (R) (mandatory) (4-bytes)
+//
+//		Tdm L_Bit Packets Transmitted
+//			TDM L-bit packets transmitted: This attribute counts the number of packets transmitted with the
+//			L bit set, indicating a near-end TDM fault. Both payload and signalling packets, if any,
+//			contribute to this count. (R) (mandatory) (4-bytes)
+//
+//		Es
+//			ES:	This attribute counts errored seconds. Any discarded, lost, malformed or unusable packet
+//			received from the PSN during a given second causes this counter to increment. Both payload and
+//			signalling packets, if any, contribute to this count. (R) (mandatory) (4-bytes)
+//
+//		Ses
+//			SES:	This attribute counts severely errored seconds. The criterion for an SES may be configured
+//			through the pseudowire maintenance profile ME. Both payload and signalling packets, if any,
+//			contribute to this count. (R) (mandatory) (4-bytes)
+//
+//		Uas
+//			UAS:	This attribute counts unavailable seconds. An unavailable second begins at the onset of 10
+//			consecutive SES and ends at the onset of 10 consecutive seconds that are not severely errored. A
+//			service is unavailable if either its payload or its signalling, if any, are unavailable. During
+//			unavailable time, only UAS should be counted; other anomalies should not be counted. (R)
+//			(mandatory) (4-bytes)
+//
+type PseudowirePerformanceMonitoringHistoryData struct {
+	ManagedEntityDefinition
+	Attributes AttributeValueMap
+}
+
+func init() {
+	pseudowireperformancemonitoringhistorydataBME = &ManagedEntityDefinition{
+		Name:    "PseudowirePerformanceMonitoringHistoryData",
+		ClassID: 285,
+		MessageTypes: mapset.NewSetWith(
+			Create,
+			Delete,
+			Get,
+			Set,
+		),
+		AllowedAttributeMask: 0xfffe,
+		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("ReceivedPackets", CounterAttributeType, 0x2000, 0, mapset.NewSetWith(Read), false, false, false, 3),
+			4:  Uint32Field("TransmittedPackets", CounterAttributeType, 0x1000, 0, mapset.NewSetWith(Read), false, false, false, 4),
+			5:  Uint32Field("MissingPackets", CounterAttributeType, 0x0800, 0, mapset.NewSetWith(Read), false, false, false, 5),
+			6:  Uint32Field("MisorderedPackets,Usable", CounterAttributeType, 0x0400, 0, mapset.NewSetWith(Read), false, false, false, 6),
+			7:  Uint32Field("MisorderedPacketsDropped", CounterAttributeType, 0x0200, 0, mapset.NewSetWith(Read), false, false, false, 7),
+			8:  Uint32Field("PlayoutBufferUnderrunsOverruns", CounterAttributeType, 0x0100, 0, mapset.NewSetWith(Read), false, false, false, 8),
+			9:  Uint32Field("MalformedPackets", CounterAttributeType, 0x0080, 0, mapset.NewSetWith(Read), false, false, false, 9),
+			10: Uint32Field("StrayPackets", CounterAttributeType, 0x0040, 0, mapset.NewSetWith(Read), false, false, false, 10),
+			11: Uint32Field("RemotePacketLoss", CounterAttributeType, 0x0020, 0, mapset.NewSetWith(Read), false, false, false, 11),
+			12: Uint32Field("TdmLBitPacketsTransmitted", CounterAttributeType, 0x0010, 0, mapset.NewSetWith(Read), false, false, false, 12),
+			13: Uint32Field("Es", CounterAttributeType, 0x0008, 0, mapset.NewSetWith(Read), false, false, false, 13),
+			14: Uint32Field("Ses", CounterAttributeType, 0x0004, 0, mapset.NewSetWith(Read), false, false, false, 14),
+			15: Uint32Field("Uas", CounterAttributeType, 0x0002, 0, mapset.NewSetWith(Read), false, false, false, 15),
+		},
+		Access:  CreatedByOlt,
+		Support: UnknownSupport,
+	}
+}
+
+// NewPseudowirePerformanceMonitoringHistoryData (class ID 285) 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 NewPseudowirePerformanceMonitoringHistoryData(params ...ParamData) (*ManagedEntity, OmciErrors) {
+	return NewManagedEntity(*pseudowireperformancemonitoringhistorydataBME, params...)
+}