diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7b511095..d14cf090 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,3 @@
 # CHANGELOG
 
-Lib version: 1.14.0-SNAPSHOT-260603073153
+Lib version: 1.14.0-SNAPSHOT-260604080350
diff --git a/lib/handlingunit.pb.dart b/lib/handlingunit.pb.dart
index 1c762a7f..d1f11d9d 100644
--- a/lib/handlingunit.pb.dart
+++ b/lib/handlingunit.pb.dart
@@ -42,6 +42,7 @@ class HandlingunitPayload extends $pb.GeneratedMessage {
     $3.ETA? handlingunitETA,
     $3.ETA? trackingETA,
     $core.String? parentHU,
+    $core.String? reference,
   }) {
     final result = create();
     if (information != null) result.information = information;
@@ -62,6 +63,7 @@ class HandlingunitPayload extends $pb.GeneratedMessage {
     if (handlingunitETA != null) result.handlingunitETA = handlingunitETA;
     if (trackingETA != null) result.trackingETA = trackingETA;
     if (parentHU != null) result.parentHU = parentHU;
+    if (reference != null) result.reference = reference;
     return result;
   }
 
@@ -89,6 +91,7 @@ class HandlingunitPayload extends $pb.GeneratedMessage {
     ..aOM<$3.ETA>(16, _omitFieldNames ? '' : 'HandlingunitETA', protoName: 'HandlingunitETA', subBuilder: $3.ETA.create)
     ..aOM<$3.ETA>(17, _omitFieldNames ? '' : 'TrackingETA', protoName: 'TrackingETA', subBuilder: $3.ETA.create)
     ..aOS(18, _omitFieldNames ? '' : 'ParentHU', protoName: 'ParentHU')
+    ..aOS(19, _omitFieldNames ? '' : 'Reference', protoName: 'Reference')
     ..hasRequiredFields = false
   ;
 
@@ -241,6 +244,15 @@ class HandlingunitPayload extends $pb.GeneratedMessage {
   $core.bool hasParentHU() => $_has(17);
   @$pb.TagNumber(18)
   void clearParentHU() => $_clearField(18);
+
+  @$pb.TagNumber(19)
+  $core.String get reference => $_getSZ(18);
+  @$pb.TagNumber(19)
+  set reference($core.String value) => $_setString(18, value);
+  @$pb.TagNumber(19)
+  $core.bool hasReference() => $_has(18);
+  @$pb.TagNumber(19)
+  void clearReference() => $_clearField(19);
 }
 
 class Handlingunit extends $pb.GeneratedMessage {
diff --git a/lib/handlingunit.pbjson.dart b/lib/handlingunit.pbjson.dart
index 0dc8932f..43eb820f 100644
--- a/lib/handlingunit.pbjson.dart
+++ b/lib/handlingunit.pbjson.dart
@@ -36,6 +36,7 @@ const HandlingunitPayload$json = {
     {'1': 'HandlingunitETA', '3': 16, '4': 1, '5': 11, '6': '.api.ETA', '8': {}, '10': 'HandlingunitETA'},
     {'1': 'TrackingETA', '3': 17, '4': 1, '5': 11, '6': '.api.ETA', '8': {}, '10': 'TrackingETA'},
     {'1': 'ParentHU', '3': 18, '4': 1, '5': 9, '8': {}, '10': 'ParentHU'},
+    {'1': 'Reference', '3': 19, '4': 1, '5': 9, '8': {}, '10': 'Reference'},
   ],
 };
 
@@ -78,7 +79,9 @@ final $typed_data.Uint8List handlingunitPayloadDescriptor = $convert.base64Decod
     'RXN0aW1hdGVkIFRpbWUgb2YgQXJyaXZhbCBmb3IgdGhlIEhhbmRsaW5nVW5pdCByZWNlaXZlZC'
     'Bmcm9tIFRyYWNraW5n8sEYElRyYWNraW5nRVRBVXBkYXRlZJrCGB4KHAoMSGFuZGxpbmd1bml0'
     'EgxoYW5kbGluZ3VuaXRSC1RyYWNraW5nRVRBEjYKCFBhcmVudEhVGBIgASgJQhqSQRcyFUhVIH'
-    'BhcmVudCBmb3IgdGhpcyBIVVIIUGFyZW50SFU=');
+    'BhcmVudCBmb3IgdGhpcyBIVVIIUGFyZW50SFUSfQoJUmVmZXJlbmNlGBMgASgJQl+SQSEyH1Jl'
+    'ZmVyZW5jZSBvZiB0aGlzIGhhbmRsaW5nIHVuaXTSwhggCh4KDEhhbmRsaW5ndW5pdBIMaGFuZG'
+    'xpbmd1bml0GAHawhgTChEKASoSDHNob3J0S2V5d29yZFIJUmVmZXJlbmNl');
 
 @$core.Deprecated('Use handlingunitDescriptor instead')
 const Handlingunit$json = {
diff --git a/lib/handlingunitInput.pb.dart b/lib/handlingunitInput.pb.dart
index db828911..9bbdae57 100644
--- a/lib/handlingunitInput.pb.dart
+++ b/lib/handlingunitInput.pb.dart
@@ -26,11 +26,13 @@ class HandlingunitGoodsPreparedPayload extends $pb.GeneratedMessage {
     $1.HandlingunitInformation? information,
     $core.Iterable<$1.QuantifiedGoodsByExeflow>? preparedContents,
     $core.Iterable<$2.MetadataElement>? metaData,
+    $core.String? reference,
   }) {
     final result = create();
     if (information != null) result.information = information;
     if (preparedContents != null) result.preparedContents.addAll(preparedContents);
     if (metaData != null) result.metaData.addAll(metaData);
+    if (reference != null) result.reference = reference;
     return result;
   }
 
@@ -43,6 +45,7 @@ class HandlingunitGoodsPreparedPayload extends $pb.GeneratedMessage {
     ..aOM<$1.HandlingunitInformation>(1, _omitFieldNames ? '' : 'Information', protoName: 'Information', subBuilder: $1.HandlingunitInformation.create)
     ..pc<$1.QuantifiedGoodsByExeflow>(2, _omitFieldNames ? '' : 'PreparedContents', $pb.PbFieldType.PM, protoName: 'PreparedContents', subBuilder: $1.QuantifiedGoodsByExeflow.create)
     ..pc<$2.MetadataElement>(3, _omitFieldNames ? '' : 'MetaData', $pb.PbFieldType.PM, protoName: 'MetaData', subBuilder: $2.MetadataElement.create)
+    ..aOS(4, _omitFieldNames ? '' : 'Reference', protoName: 'Reference')
     ..hasRequiredFields = false
   ;
 
@@ -80,6 +83,15 @@ class HandlingunitGoodsPreparedPayload extends $pb.GeneratedMessage {
   /// Metadata are characteristics specific to the project. They can be of several data form (string, integer, float, boolean or timestamp)
   @$pb.TagNumber(3)
   $pb.PbList<$2.MetadataElement> get metaData => $_getList(2);
+
+  @$pb.TagNumber(4)
+  $core.String get reference => $_getSZ(3);
+  @$pb.TagNumber(4)
+  set reference($core.String value) => $_setString(3, value);
+  @$pb.TagNumber(4)
+  $core.bool hasReference() => $_has(3);
+  @$pb.TagNumber(4)
+  void clearReference() => $_clearField(4);
 }
 
 class HandlingunitGoodsPreparedEvent extends $pb.GeneratedMessage {
@@ -306,11 +318,13 @@ class HandlingunitHUsAddedPayload extends $pb.GeneratedMessage {
     $1.HandlingunitInformation? information,
     $core.Iterable<$core.String>? includedHandlingunitIDs,
     $core.Iterable<$2.MetadataElement>? metaData,
+    $core.String? reference,
   }) {
     final result = create();
     if (information != null) result.information = information;
     if (includedHandlingunitIDs != null) result.includedHandlingunitIDs.addAll(includedHandlingunitIDs);
     if (metaData != null) result.metaData.addAll(metaData);
+    if (reference != null) result.reference = reference;
     return result;
   }
 
@@ -323,6 +337,7 @@ class HandlingunitHUsAddedPayload extends $pb.GeneratedMessage {
     ..aOM<$1.HandlingunitInformation>(1, _omitFieldNames ? '' : 'Information', protoName: 'Information', subBuilder: $1.HandlingunitInformation.create)
     ..pPS(3, _omitFieldNames ? '' : 'IncludedHandlingunitIDs', protoName: 'IncludedHandlingunitIDs')
     ..pc<$2.MetadataElement>(4, _omitFieldNames ? '' : 'MetaData', $pb.PbFieldType.PM, protoName: 'MetaData', subBuilder: $2.MetadataElement.create)
+    ..aOS(5, _omitFieldNames ? '' : 'Reference', protoName: 'Reference')
     ..hasRequiredFields = false
   ;
 
@@ -360,6 +375,15 @@ class HandlingunitHUsAddedPayload extends $pb.GeneratedMessage {
   /// Metadata are characteristics specific to the project. They can be of several data form (string, integer, float, boolean or timestamp)
   @$pb.TagNumber(4)
   $pb.PbList<$2.MetadataElement> get metaData => $_getList(2);
+
+  @$pb.TagNumber(5)
+  $core.String get reference => $_getSZ(3);
+  @$pb.TagNumber(5)
+  set reference($core.String value) => $_setString(3, value);
+  @$pb.TagNumber(5)
+  $core.bool hasReference() => $_has(3);
+  @$pb.TagNumber(5)
+  void clearReference() => $_clearField(5);
 }
 
 class HandlingunitHUsAddedEvent extends $pb.GeneratedMessage {
@@ -1629,9 +1653,11 @@ class HandlingunitDispatchedResponse extends $pb.GeneratedMessage {
 class HandlingunitGoodsReceivedPayload extends $pb.GeneratedMessage {
   factory HandlingunitGoodsReceivedPayload({
     $core.Iterable<$1.QuantifiedDatedGoodsByExeflow>? receivedContents,
+    $core.String? reference,
   }) {
     final result = create();
     if (receivedContents != null) result.receivedContents.addAll(receivedContents);
+    if (reference != null) result.reference = reference;
     return result;
   }
 
@@ -1642,6 +1668,7 @@ class HandlingunitGoodsReceivedPayload extends $pb.GeneratedMessage {
 
   static final $pb.BuilderInfo _i = $pb.BuilderInfo(_omitMessageNames ? '' : 'HandlingunitGoodsReceivedPayload', package: const $pb.PackageName(_omitMessageNames ? '' : 'api'), createEmptyInstance: create)
     ..pc<$1.QuantifiedDatedGoodsByExeflow>(1, _omitFieldNames ? '' : 'ReceivedContents', $pb.PbFieldType.PM, protoName: 'ReceivedContents', subBuilder: $1.QuantifiedDatedGoodsByExeflow.create)
+    ..aOS(2, _omitFieldNames ? '' : 'Reference', protoName: 'Reference')
     ..hasRequiredFields = false
   ;
 
@@ -1664,6 +1691,15 @@ class HandlingunitGoodsReceivedPayload extends $pb.GeneratedMessage {
 
   @$pb.TagNumber(1)
   $pb.PbList<$1.QuantifiedDatedGoodsByExeflow> get receivedContents => $_getList(0);
+
+  @$pb.TagNumber(2)
+  $core.String get reference => $_getSZ(1);
+  @$pb.TagNumber(2)
+  set reference($core.String value) => $_setString(1, value);
+  @$pb.TagNumber(2)
+  $core.bool hasReference() => $_has(1);
+  @$pb.TagNumber(2)
+  void clearReference() => $_clearField(2);
 }
 
 class HandlingunitGoodsReceivedEvent extends $pb.GeneratedMessage {
diff --git a/lib/handlingunitInput.pbjson.dart b/lib/handlingunitInput.pbjson.dart
index 0225a989..a62bd3cc 100644
--- a/lib/handlingunitInput.pbjson.dart
+++ b/lib/handlingunitInput.pbjson.dart
@@ -21,6 +21,7 @@ const HandlingunitGoodsPreparedPayload$json = {
     {'1': 'Information', '3': 1, '4': 1, '5': 11, '6': '.api.HandlingunitInformation', '10': 'Information'},
     {'1': 'PreparedContents', '3': 2, '4': 3, '5': 11, '6': '.api.QuantifiedGoodsByExeflow', '8': {}, '10': 'PreparedContents'},
     {'1': 'MetaData', '3': 3, '4': 3, '5': 11, '6': '.api.MetadataElement', '8': {}, '10': 'MetaData'},
+    {'1': 'Reference', '3': 4, '4': 1, '5': 9, '8': {}, '10': 'Reference'},
   ],
   '7': {},
 };
@@ -34,7 +35,8 @@ final $typed_data.Uint8List handlingunitGoodsPreparedPayloadDescriptor = $conver
     'ZW50QpcBkkGIATKFAU1ldGFkYXRhIGFyZSBjaGFyYWN0ZXJpc3RpY3Mgc3BlY2lmaWMgdG8gdG'
     'hlIHByb2plY3QuIFRoZXkgY2FuIGJlIG9mIHNldmVyYWwgZGF0YSBmb3JtIChzdHJpbmcsIGlu'
     'dGVnZXIsIGZsb2F0LCBib29sZWFuIG9yIHRpbWVzdGFtcCnAwRgB6sEYA0tleVIITWV0YURhdG'
-    'E6HqK7GAVFdmVudKi7GAG6uxgNR29vZHNQcmVwYXJlZA==');
+    'ESQgoJUmVmZXJlbmNlGAQgASgJQiSSQSEyH1JlZmVyZW5jZSBvZiB0aGlzIGhhbmRsaW5nIHVu'
+    'aXRSCVJlZmVyZW5jZToeorsYBUV2ZW50qLsYAbq7GA1Hb29kc1ByZXBhcmVk');
 
 @$core.Deprecated('Use handlingunitGoodsPreparedEventDescriptor instead')
 const HandlingunitGoodsPreparedEvent$json = {
@@ -98,6 +100,7 @@ const HandlingunitHUsAddedPayload$json = {
     {'1': 'Information', '3': 1, '4': 1, '5': 11, '6': '.api.HandlingunitInformation', '10': 'Information'},
     {'1': 'IncludedHandlingunitIDs', '3': 3, '4': 3, '5': 9, '8': {}, '10': 'IncludedHandlingunitIDs'},
     {'1': 'MetaData', '3': 4, '4': 3, '5': 11, '6': '.api.MetadataElement', '8': {}, '10': 'MetaData'},
+    {'1': 'Reference', '3': 5, '4': 1, '5': 9, '8': {}, '10': 'Reference'},
   ],
   '7': {},
 };
@@ -110,8 +113,9 @@ final $typed_data.Uint8List handlingunitHUsAddedPayloadDescriptor = $convert.bas
     'hNZXRhRGF0YRgEIAMoCzIULmFwaS5NZXRhZGF0YUVsZW1lbnRClwGSQYgBMoUBTWV0YWRhdGEg'
     'YXJlIGNoYXJhY3RlcmlzdGljcyBzcGVjaWZpYyB0byB0aGUgcHJvamVjdC4gVGhleSBjYW4gYm'
     'Ugb2Ygc2V2ZXJhbCBkYXRhIGZvcm0gKHN0cmluZywgaW50ZWdlciwgZmxvYXQsIGJvb2xlYW4g'
-    'b3IgdGltZXN0YW1wKcDBGAHqwRgDS2V5UghNZXRhRGF0YToZorsYBUV2ZW50qLsYAbq7GAhIVX'
-    'NBZGRlZA==');
+    'b3IgdGltZXN0YW1wKcDBGAHqwRgDS2V5UghNZXRhRGF0YRJCCglSZWZlcmVuY2UYBSABKAlCJJ'
+    'JBITIfUmVmZXJlbmNlIG9mIHRoaXMgaGFuZGxpbmcgdW5pdFIJUmVmZXJlbmNlOhmiuxgFRXZl'
+    'bnSouxgBursYCEhVc0FkZGVk');
 
 @$core.Deprecated('Use handlingunitHUsAddedEventDescriptor instead')
 const HandlingunitHUsAddedEvent$json = {
@@ -454,6 +458,7 @@ const HandlingunitGoodsReceivedPayload$json = {
   '1': 'HandlingunitGoodsReceivedPayload',
   '2': [
     {'1': 'ReceivedContents', '3': 1, '4': 3, '5': 11, '6': '.api.QuantifiedDatedGoodsByExeflow', '8': {}, '10': 'ReceivedContents'},
+    {'1': 'Reference', '3': 2, '4': 1, '5': 9, '8': {}, '10': 'Reference'},
   ],
   '7': {},
 };
@@ -462,7 +467,9 @@ const HandlingunitGoodsReceivedPayload$json = {
 final $typed_data.Uint8List handlingunitGoodsReceivedPayloadDescriptor = $convert.base64Decode(
     'CiBIYW5kbGluZ3VuaXRHb29kc1JlY2VpdmVkUGF5bG9hZBJZChBSZWNlaXZlZENvbnRlbnRzGA'
     'EgAygLMiIuYXBpLlF1YW50aWZpZWREYXRlZEdvb2RzQnlFeGVmbG93Qgm6gQEFkgECCAFSEFJl'
-    'Y2VpdmVkQ29udGVudHM6HqK7GAVFdmVudKi7GAG6uxgNR29vZHNSZWNlaXZlZA==');
+    'Y2VpdmVkQ29udGVudHMSQgoJUmVmZXJlbmNlGAIgASgJQiSSQSEyH1JlZmVyZW5jZSBvZiB0aG'
+    'lzIGhhbmRsaW5nIHVuaXRSCVJlZmVyZW5jZToeorsYBUV2ZW50qLsYAbq7GA1Hb29kc1JlY2Vp'
+    'dmVk');
 
 @$core.Deprecated('Use handlingunitGoodsReceivedEventDescriptor instead')
 const HandlingunitGoodsReceivedEvent$json = {
diff --git a/pubspec.yaml b/pubspec.yaml
index 23c42437..732a21c1 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: dart_core_sdk
 description: dart libs from core model proto files
-version: 1.14.0-SNAPSHOT-260603073153
+version: 1.14.0-SNAPSHOT-260604080350
 homepage: ''
 publish_to: ''
 repository: ''