diff --git a/src/Umbraco.Core/Models/AuditType.cs b/src/Umbraco.Core/Models/AuditType.cs
index a5ae34a89d..759aac3bfc 100644
--- a/src/Umbraco.Core/Models/AuditType.cs
+++ b/src/Umbraco.Core/Models/AuditType.cs
@@ -14,6 +14,10 @@
         /// </summary>
         Save,
         /// <summary>
+        /// Used when variant(s) are saved
+        /// </summary>
+        SaveVariant,
+        /// <summary>
         /// Used when nodes are opened
         /// </summary>
         Open,
@@ -26,14 +30,26 @@
         /// </summary>
         Publish,
         /// <summary>
-        /// Used when nodes are send to publishing
+        /// Used when variant(s) are published
+        /// </summary>
+        PublishVariant,
+        /// <summary>
+        /// Used when nodes are sent for publishing
         /// </summary>
         SendToPublish,
         /// <summary>
+        /// Used when variant(s) are sent for publishing
+        /// </summary>
+        SendToPublishVariant,
+        /// <summary>
         /// Used when nodes are unpublished
         /// </summary>
         Unpublish,
         /// <summary>
+        /// Used when variant(s) are unpublished
+        /// </summary>
+        UnpublishVariant,
+        /// <summary>
         /// Used when nodes are moved
         /// </summary>
         Move,
@@ -72,11 +88,7 @@
         /// <summary>
         /// Used when a package is uninstalled
         /// </summary>
-        PackagerUninstall,
-        /// <summary>
-        /// Used when a node is send to translation
-        /// </summary>
-        SendToTranslate,
+        PackagerUninstall,        
         /// <summary>
         /// Use this log action for custom log messages that should be shown in the audit trail
         /// </summary>
diff --git a/src/Umbraco.Core/Models/ContentTypeBase.cs b/src/Umbraco.Core/Models/ContentTypeBase.cs
index b2ac8610d1..2a57420e9e 100644
--- a/src/Umbraco.Core/Models/ContentTypeBase.cs
+++ b/src/Umbraco.Core/Models/ContentTypeBase.cs
@@ -119,7 +119,7 @@ namespace Umbraco.Core.Models
         /// The Alias of the ContentType
         /// </summary>
         [DataMember]
-        public string Alias
+        public virtual string Alias
         {
             get => _alias;
             set => SetPropertyValueAndDetectChanges(
@@ -195,7 +195,7 @@ namespace Umbraco.Core.Models
         /// <summary>
         /// Gets or sets the content variation of the content type.
         /// </summary>
-        public ContentVariation Variations
+        public virtual ContentVariation Variations
         {
             get => _variations;
             set => SetPropertyValueAndDetectChanges(value, ref _variations, Ps.Value.VaryBy);
diff --git a/src/Umbraco.Core/Models/Entities/EntityBase.cs b/src/Umbraco.Core/Models/Entities/EntityBase.cs
index 9cd6d1edad..f1ff5f3bf5 100644
--- a/src/Umbraco.Core/Models/Entities/EntityBase.cs
+++ b/src/Umbraco.Core/Models/Entities/EntityBase.cs
@@ -13,7 +13,7 @@ namespace Umbraco.Core.Models.Entities
     [DebuggerDisplay("Id: {" + nameof(Id) + "}")]
     public abstract class EntityBase : BeingDirtyBase, IEntity
     {
-#if DEBUG
+#if ModelDebug
         public Guid InstanceId = Guid.NewGuid();
 #endif
 
@@ -165,7 +165,7 @@ namespace Umbraco.Core.Models.Entities
             var unused = Key; // ensure that 'this' has a key, before cloning
             var clone = (EntityBase) MemberwiseClone();
 
-#if DEBUG
+#if ModelDebug
             clone.InstanceId = Guid.NewGuid();
 #endif
 
diff --git a/src/Umbraco.Core/Services/Implement/ContentService.cs b/src/Umbraco.Core/Services/Implement/ContentService.cs
index c4b17e1350..9deadfa5af 100644
--- a/src/Umbraco.Core/Services/Implement/ContentService.cs
+++ b/src/Umbraco.Core/Services/Implement/ContentService.cs
@@ -834,6 +834,15 @@ namespace Umbraco.Core.Services.Implement
                     content.CreatorId = userId;
                 content.WriterId = userId;
 
+                //track the cultures that have changed
+                var culturesChanging = content.ContentType.VariesByCulture()
+                    ? string.Join(",", content.CultureNames.Where(x => x.IsDirty()).Select(x => x.Culture))
+                    : null;
+                //TODO: Currently there's no way to change track which variant properties have changed, we only have change
+                // tracking enabled on all values on the Property which doesn't allow us to know which variants have changed.
+                // in this particular case, determining which cultures have changed works with the above with names since it will
+                // have always changed if it's been saved in the back office but that's not really fail safe.
+
                 _documentRepository.Save(content);
 
                 if (raiseEvents)
@@ -844,12 +853,8 @@ namespace Umbraco.Core.Services.Implement
                 var changeType = TreeChangeTypes.RefreshNode;
                 scope.Events.Dispatch(TreeChanged, this, new TreeChange<IContent>(content, changeType).ToEventArgs());
 
-                var culturesChanging = content.ContentType.VariesByCulture()
-                    ? content.CultureNames.Where(x => x.IsDirty()).Select(x => x.Culture).ToList()
-                    : null;
-
-                if (culturesChanging != null && culturesChanging.Count > 0)
-                    Audit(AuditType.Save, userId, content.Id, $"Saved culture{(culturesChanging.Count > 1 ? "s" : string.Empty)} {string.Join(",", culturesChanging)}");
+                if (culturesChanging != null)
+                    Audit(AuditType.SaveVariant, userId, content.Id, $"Saved cultures: {culturesChanging}", culturesChanging);
                 else
                     Audit(AuditType.Save, userId, content.Id);
 
@@ -1002,9 +1007,14 @@ namespace Umbraco.Core.Services.Implement
                     }
                     else
                     {
-                        Audit(AuditType.Unpublish, userId, content.Id, $"Culture \"{culture}\" unpublished");
+                        //unpublishing a specific culture
+                        Audit(AuditType.UnpublishVariant, userId, content.Id, $"Culture \"{culture}\" unpublished", culture);
                         if (!content.Published)
+                        {
+                            //log that the whole content item has been unpublished due to mandatory culture unpublished
                             Audit(AuditType.Unpublish, userId, content.Id, $"Unpublished (culture \"{culture}\" is mandatory)");
+                        }
+                            
                         result = content.Published ? UnpublishResultType.SuccessCulture : UnpublishResultType.SuccessMandatoryCulture;
                     }
                     scope.Complete();
@@ -1034,7 +1044,7 @@ namespace Umbraco.Core.Services.Implement
             var publishing = content.PublishedState == PublishedState.Publishing;
             var unpublishing = content.PublishedState == PublishedState.Unpublishing;
 
-            List<string> culturesChanging = null;
+            string culturesChanging = null;
 
             using (var scope = ScopeProvider.CreateScope())
             {
@@ -1059,7 +1069,7 @@ namespace Umbraco.Core.Services.Implement
                     }
                     else
                     {
-                        culturesChanging = content.PublishNames.Where(x => x.IsDirty()).Select(x => x.Culture).ToList();
+                        culturesChanging = string.Join(",", content.PublishNames.Where(x => x.IsDirty()).Select(x => x.Culture));
                     }
                 }
 
@@ -1169,8 +1179,8 @@ namespace Umbraco.Core.Services.Implement
                             scope.Events.Dispatch(Published, this, new PublishEventArgs<IContent>(descendants, false, false), "Published");
                         }
 
-                        if (culturesChanging != null && culturesChanging.Count > 0)
-                            Audit(AuditType.Publish, userId, content.Id, $"Published culture{(culturesChanging.Count > 1 ? "s" : string.Empty)} {string.Join(",", culturesChanging)}");
+                        if (culturesChanging != null)
+                            Audit(AuditType.PublishVariant, userId, content.Id, $"Published cultures: {culturesChanging}", culturesChanging);
                         else
                             Audit(AuditType.Publish, userId, content.Id);
 
@@ -1840,24 +1850,32 @@ namespace Umbraco.Core.Services.Implement
                     return false;
                 }
 
+                //track the cultures changing for auditing
+                var culturesChanging = content.ContentType.VariesByCulture()
+                    ? string.Join(",", content.CultureNames.Where(x => x.IsDirty()).Select(x => x.Culture))
+                    : null;
+                //TODO: Currently there's no way to change track which variant properties have changed, we only have change
+                // tracking enabled on all values on the Property which doesn't allow us to know which variants have changed.
+                // in this particular case, determining which cultures have changed works with the above with names since it will
+                // have always changed if it's been saved in the back office but that's not really fail safe.
+
                 //Save before raising event
                 // fixme - nesting uow?
-                Save(content, userId);
+                var saveResult = Save(content, userId);
 
-                sendToPublishEventArgs.CanCancel = false;
-                scope.Events.Dispatch(SentToPublish, this, sendToPublishEventArgs);
+                if (saveResult.Success)
+                {
+                    sendToPublishEventArgs.CanCancel = false;
+                    scope.Events.Dispatch(SentToPublish, this, sendToPublishEventArgs);
 
-                var culturesChanging = content.ContentType.VariesByCulture()
-                    ? content.CultureNames.Where(x => x.IsDirty()).Select(x => x.Culture).ToList()
-                    : null;
+                    if (culturesChanging != null)
+                        Audit(AuditType.SendToPublishVariant, userId, content.Id, $"Send To Publish for cultures: {culturesChanging}", culturesChanging);
+                    else
+                        Audit(AuditType.SendToPublish, content.WriterId, content.Id);
+                }
 
-                if (culturesChanging != null && culturesChanging.Count > 0)
-                    Audit(AuditType.SendToPublish, userId, content.Id, $"Send To Publish for culture{(culturesChanging.Count > 1 ? "s" : string.Empty)} {string.Join(",", culturesChanging)}");
-                else
-                    Audit(AuditType.SendToPublish, content.WriterId, content.Id);
+                return saveResult.Success;
             }
-
-            return true;
         }
 
         /// <summary>
@@ -2007,9 +2025,9 @@ namespace Umbraco.Core.Services.Implement
 
         #region Private Methods
 
-        private void Audit(AuditType type, int userId, int objectId, string message = null)
+        private void Audit(AuditType type, int userId, int objectId, string message = null, string parameters = null)
         {
-            _auditRepository.Save(new AuditItem(objectId, type, userId, Constants.ObjectTypes.Strings.Document, message));
+            _auditRepository.Save(new AuditItem(objectId, type, userId, ObjectTypes.GetName(UmbracoObjectTypes.Document), message, parameters));
         }
 
         #endregion
diff --git a/src/Umbraco.Web.UI.Client/src/common/directives/components/content/umbcontentnodeinfo.directive.js b/src/Umbraco.Web.UI.Client/src/common/directives/components/content/umbcontentnodeinfo.directive.js
index b2e64983d6..f3dc6c7aa7 100644
--- a/src/Umbraco.Web.UI.Client/src/common/directives/components/content/umbcontentnodeinfo.directive.js
+++ b/src/Umbraco.Web.UI.Client/src/common/directives/components/content/umbcontentnodeinfo.directive.js
@@ -1,12 +1,13 @@
 (function () {
     'use strict';
 
-    function ContentNodeInfoDirective($timeout, $location, logResource, eventsService, userService, localizationService, dateHelper, editorService, redirectUrlsResource) {
+    function ContentNodeInfoDirective($timeout, $routeParams, logResource, eventsService, userService, localizationService, dateHelper, editorService, redirectUrlsResource) {
 
-        function link(scope, element, attrs, ctrl) {
+        function link(scope, element, attrs, umbVariantContentCtrl) {
 
             var evts = [];
             var isInfoTab = false;
+            var auditTrailLoaded = false;
             var labels = {};
             scope.publishStatus = [];
 
@@ -63,10 +64,22 @@
                 if (scope.documentType !== null) {
                     scope.previewOpenUrl = '#/settings/documenttypes/edit/' + scope.documentType.id;
                 }
+
+                //load in the audit trail if we are currently looking at the INFO tab
+                if (umbVariantContentCtrl) {
+                    var activeApp = _.find(umbVariantContentCtrl.editor.content.apps, a => a.active);
+                    if (activeApp.alias === "umbInfo") {
+                        isInfoTab = true;
+                        loadAuditTrail();
+                        loadRedirectUrls();
+                    }
+                }
+
             }
 
             scope.auditTrailPageChange = function (pageNumber) {
                 scope.auditTrailOptions.pageNumber = pageNumber;
+                auditTrailLoaded = false;
                 loadAuditTrail();
             };
 
@@ -103,6 +116,9 @@
 
             function loadAuditTrail() {
 
+                //don't load this if it's already done
+                if (auditTrailLoaded) { return; };
+
                 scope.loadingAuditTrail = true;
 
                 logResource.getPagedEntityLog(scope.auditTrailOptions)
@@ -124,6 +140,8 @@
                         setAuditTrailLogTypeColor(scope.auditTrail);
 
                         scope.loadingAuditTrail = false;
+
+                        auditTrailLoaded = true;
                     });
 
             }
@@ -230,7 +248,8 @@
                 if (!newValue) { return; }
                 if (newValue === oldValue) { return; }
 
-                if(isInfoTab) {
+                if (isInfoTab) {
+                    auditTrailLoaded = false;
                     loadAuditTrail();
                     loadRedirectUrls();
                     setNodePublishStatus(scope.node);
@@ -249,6 +268,7 @@
         }
 
         var directive = {
+            require: '^^umbVariantContent',
             restrict: 'E',
             replace: true,
             templateUrl: 'views/components/content/umb-content-node-info.html',
diff --git a/src/Umbraco.Web.UI.Client/src/views/components/content/umb-content-node-info.html b/src/Umbraco.Web.UI.Client/src/views/components/content/umb-content-node-info.html
index 03d4318ba2..bdc4ad6c7f 100644
--- a/src/Umbraco.Web.UI.Client/src/views/components/content/umb-content-node-info.html
+++ b/src/Umbraco.Web.UI.Client/src/views/components/content/umb-content-node-info.html
@@ -46,10 +46,10 @@
 
                 <div style="position: relative;">
 
-                    <div ng-if="loadingAuditTrail" style="background: rgba(255, 255, 255, 0.8); position: absolute; top: 0; left: 0; right: 0; bottom: 0;"></div>
-                    <umb-load-indicator ng-if="loadingAuditTrail"></umb-load-indicator>
+                    <div ng-show="loadingAuditTrail" style="background: rgba(255, 255, 255, 0.8); position: absolute; top: 0; left: 0; right: 0; bottom: 0;"></div>
+                    <umb-load-indicator ng-show="loadingAuditTrail"></umb-load-indicator>
 
-                    <div ng-if="auditTrail.length === 0" style="padding: 10px;">
+                    <div ng-show="auditTrail.length === 0" style="padding: 10px;">
                         <umb-empty-state position="center"
                                          size="small">
                             <localize key="content_noChanges"></localize>
@@ -58,7 +58,7 @@
 
                     <div class="history">
 
-                        <div ng-if="auditTrail.length > 1" class="history-line"></div>
+                        <div ng-show="auditTrail.length > 1" class="history-line"></div>
 
                         <div class="history-item" ng-repeat="item in auditTrail">
 
@@ -88,7 +88,7 @@
                                     <localize key="auditTrails_small{{ item.logType }}">{{ item.logType }}</localize>
                                 </umb-badge>
                                 <span>
-                                    <localize key="auditTrails_{{ item.logType | lowercase }}">{{ item.comment }}</localize>
+                                    <localize key="auditTrails_{{ item.logType | lowercase }}" tokens="[item.parameters]">{{ item.comment }}</localize>
                                 </span>
 
                                 
@@ -119,14 +119,14 @@
 
                 <umb-control-group data-element="node-info-status" label="@general_status">
                     <div ng-repeat="status in publishStatus" style="margin-bottom: 5px;">
-                        <span ng-if="status.culture"><em>{{status.culture}}: </em></span>
+                        <span ng-show="status.culture"><em>{{status.culture}}: </em></span>
                         <umb-badge size="xs" color="{{status.color}}">
                             {{status.label}}
                         </umb-badge>
                     </div>
                 </umb-control-group>
 
-                <umb-control-group ng-if="node.id !== 0" data-element="node-info-create-date" label="@template_createdDate">
+                <umb-control-group ng-show="node.id !== 0" data-element="node-info-create-date" label="@template_createdDate">
                     {{node.createDateFormatted}} <localize key="general_by">by</localize> {{ node.owner.name }}
                 </umb-control-group>
 
@@ -150,13 +150,13 @@
                                 ng-change="updateTemplate(node.template)">
                             <option value=""><localize key="general_choose">Choose</localize>...</option>
                         </select>
-                        <a href="" ng-if="allowChangeTemplate" class="umb-node-preview__action" style="margin-left:15px;" ng-click="openTemplate()" ng-if="node.template !== null">
+                        <a href="" ng-show="allowChangeTemplate && node.template !== null" class="umb-node-preview__action" style="margin-left:15px;" ng-click="openTemplate()">
                             <localize key="general_open">Open</localize>
                         </a>
                     </div>
                 </umb-control-group>
 
-                <umb-control-group ng-if="node.id !== 0" data-element="node-info-id" label="Id">
+                <umb-control-group ng-show="node.id !== 0" data-element="node-info-id" label="Id">
                     <div>{{ node.id }}</div>
                     <small>{{ node.key }}</small>
                 </umb-control-group>
diff --git a/src/Umbraco.Web.UI/Umbraco/config/lang/en.xml b/src/Umbraco.Web.UI/Umbraco/config/lang/en.xml
index 891e04d3a2..28376bf593 100644
--- a/src/Umbraco.Web.UI/Umbraco/config/lang/en.xml
+++ b/src/Umbraco.Web.UI/Umbraco/config/lang/en.xml
@@ -139,24 +139,28 @@
   </area>
   <area alias="auditTrails">
     <key alias="atViewingFor">Viewing for</key>
-    <key alias="delete">Delete Content performed by user</key>
-    <key alias="unpublish">Unpublish performed by user</key>
-    <key alias="publish">Save and Publish performed by user</key>
-    <key alias="save">Save Content performed by user</key>
-    <key alias="move">Move Content performed by user</key>
-    <key alias="copy">Copy Content performed by user</key>
-    <key alias="rollback">Content rollback performed by user</key>
-    <key alias="sendtopublish">Content Send To Publish performed by user</key>
-    <key alias="sendtotranslate">Content Send To Translation performed by user</key>
+    <key alias="delete">Content deleted</key>
+    <key alias="unpublish">Content unpublished</key>
+    <key alias="publish">Content saved and Published</key>
+    <key alias="publishvariant">Content cultures %0% saved and published</key>
+    <key alias="save">Content saved</key>
+    <key alias="savevariant">Content cultures %0% saved</key>
+    <key alias="move">Content moved</key>
+    <key alias="copy">Content copied</key>
+    <key alias="rollback">Content rolled back</key>
+    <key alias="sendtopublish">Content sent for publishing</key>
+    <key alias="sendtopublishvariant">Content cultures %0% sent for publishing</key>
     <key alias="smallCopy">Copy</key>
     <key alias="smallPublish">Publish</key>
+    <key alias="smallPublishVariant">Publish</key>
     <key alias="smallMove">Move</key>
     <key alias="smallSave">Save</key>
+    <key alias="smallSaveVariant">Save</key>
     <key alias="smallDelete">Delete</key>
     <key alias="smallUnpublish">Unpublish</key>
     <key alias="smallRollBack">Rollback</key>
     <key alias="smallSendToPublish">Send To Publish</key>
-    <key alias="smallSendToTranslate">Send To Translation</key>
+    <key alias="smallSendToPublishVariant">Send To Publish</key>
   </area>
   <area alias="changeDocType">
     <key alias="changeDocTypeInstruction">To change the document type for the selected content, first select from the list of valid types for this location.</key>
diff --git a/src/Umbraco.Web.UI/Umbraco/config/lang/en_us.xml b/src/Umbraco.Web.UI/Umbraco/config/lang/en_us.xml
index f9138f3baf..f466ff699a 100644
--- a/src/Umbraco.Web.UI/Umbraco/config/lang/en_us.xml
+++ b/src/Umbraco.Web.UI/Umbraco/config/lang/en_us.xml
@@ -144,24 +144,28 @@
   </area>
   <area alias="auditTrails">
     <key alias="atViewingFor">Viewing for</key>
-    <key alias="delete">Delete Content performed by user</key>
-    <key alias="unpublish">Unpublish performed by user</key>
-    <key alias="publish">Save and Publish performed by user</key>
-    <key alias="save">Save Content performed by user</key>
-    <key alias="move">Move Content performed by user</key>
-    <key alias="copy">Copy Content performed by user</key>
-    <key alias="rollback">Content rollback performed by user</key>
-    <key alias="sendtopublish">Content Send To Publish performed by user</key>
-    <key alias="sendtotranslate">Content Send To Translation performed by user</key>
+    <key alias="delete">Content deleted</key>
+    <key alias="unpublish">Content unpublished</key>
+    <key alias="publish">Content saved and Published</key>
+    <key alias="publishvariant">Content cultures %0% saved and published</key>
+    <key alias="save">Content saved</key>
+    <key alias="savevariant">Content cultures %0% saved</key>
+    <key alias="move">Content moved</key>
+    <key alias="copy">Content copied</key>
+    <key alias="rollback">Content rolled back</key>
+    <key alias="sendtopublish">Content sent for publishing</key>
+    <key alias="sendtopublishvariant">Content cultures %0% sent for publishing</key>
     <key alias="smallCopy">Copy</key>
     <key alias="smallPublish">Publish</key>
+    <key alias="smallPublishVariant">Publish</key>
     <key alias="smallMove">Move</key>
     <key alias="smallSave">Save</key>
+    <key alias="smallSaveVariant">Save</key>
     <key alias="smallDelete">Delete</key>
     <key alias="smallUnpublish">Unpublish</key>
     <key alias="smallRollBack">Rollback</key>
     <key alias="smallSendToPublish">Send To Publish</key>
-    <key alias="smallSendToTranslate">Send To Translation</key>
+    <key alias="smallSendToPublishVariant">Send To Publish</key>
   </area>
   <area alias="changeDocType">
     <key alias="changeDocTypeInstruction">To change the document type for the selected content, first select from the list of valid types for this location.</key>
diff --git a/src/Umbraco.Web/Editors/LogController.cs b/src/Umbraco.Web/Editors/LogController.cs
index 1205226b8f..dcd69d10b7 100644
--- a/src/Umbraco.Web/Editors/LogController.cs
+++ b/src/Umbraco.Web/Editors/LogController.cs
@@ -7,6 +7,7 @@ using Umbraco.Core.Models;
 using Umbraco.Core.Persistence.DatabaseModelDefinitions;
 using Umbraco.Web.Models.ContentEditing;
 using Umbraco.Web.Mvc;
+using Umbraco.Web.WebApi.Filters;
 
 namespace Umbraco.Web.Editors
 {
@@ -16,6 +17,7 @@ namespace Umbraco.Web.Editors
     [PluginController("UmbracoApi")]
     public class LogController : UmbracoAuthorizedJsonController
     {
+        [UmbracoApplicationAuthorize(Core.Constants.Applications.Content, Core.Constants.Applications.Media)]
         public PagedResult<AuditLog> GetPagedEntityLog(int id,
             int pageNumber = 1,
             int pageSize = 0,
diff --git a/src/Umbraco.Web/Models/ContentEditing/AuditLog.cs b/src/Umbraco.Web/Models/ContentEditing/AuditLog.cs
index 2e0dca3fbb..9074accdfe 100644
--- a/src/Umbraco.Web/Models/ContentEditing/AuditLog.cs
+++ b/src/Umbraco.Web/Models/ContentEditing/AuditLog.cs
@@ -24,7 +24,13 @@ namespace Umbraco.Web.Models.ContentEditing
         [DataMember(Name = "logType")]
         public string LogType { get; set; }
 
+        [DataMember(Name = "entityType")]
+        public string EntityType { get; set; }
+
         [DataMember(Name = "comment")]
         public string Comment { get; set; }
+
+        [DataMember(Name = "parameters")]
+        public string Parameters { get; set; }
     }
 }
diff --git a/src/Umbraco.Web/Security/WebSecurity.cs b/src/Umbraco.Web/Security/WebSecurity.cs
index 709f0d719a..85d7128629 100644
--- a/src/Umbraco.Web/Security/WebSecurity.cs
+++ b/src/Umbraco.Web/Security/WebSecurity.cs
@@ -33,9 +33,9 @@ namespace Umbraco.Web.Security
 
         public WebSecurity(HttpContextBase httpContext, IUserService userService, IGlobalSettings globalSettings)
         {
-            _httpContext = httpContext;
-            _userService = userService;
-            _globalSettings = globalSettings;
+            _httpContext = httpContext ?? throw new ArgumentNullException(nameof(httpContext));
+            _userService = userService ?? throw new ArgumentNullException(nameof(userService));
+            _globalSettings = globalSettings ?? throw new ArgumentNullException(nameof(globalSettings));
         }
 
         /// <summary>