Add analytics tracking events on extension load

src/DynamoCore/Extensions/ExtensionLoader.cs

@@ -33,6 +33,11 @@ private IExtension Load(ExtensionDefinition extension)
                 var assembly = Assembly.LoadFrom(extension.AssemblyPath);
                 var result = assembly.CreateInstance(extension.TypeName) as IExtension;
                 ExtensionLoading?.Invoke(result);
+
+                Logging.Analytics.TrackEvent(
+                Actions.Load,
+                Categories.ExtensionOperations, extension.TypeName);
+
                 return result;
             }
             catch(Exception ex)

src/DynamoCoreWpf/Extensions/ViewExtensionLoader.cs

@@ -23,6 +23,11 @@ internal IViewExtension Load(ViewExtensionDefinition viewExtension)
                     var assembly = Assembly.LoadFrom(viewExtension.AssemblyPath);
                     var result = assembly.CreateInstance(viewExtension.TypeName) as IViewExtension;
                     ExtensionLoading?.Invoke(result);
+
+                    Analytics.TrackEvent(
+                    Actions.Load,
+                    Categories.ExtensionOperations, viewExtension.TypeName);
+
                     return result;
                 }
                 return null;

src/NodeServices/IAnalyticsClient.cs

@@ -71,6 +71,16 @@ public enum Categories
         /// Events Category related to Python operations
         /// </summary>
         PythonOperations,
+
+        /// <summary>
+        /// Events Category related to Extensions operations
+        /// </summary>
+        ExtensionOperations,
+
+        /// <summary>
+        /// Events Category related to View Extensions operations
+        /// </summary>
+        ViewExtensionOperations,
     }
 
     /// <summary>
@@ -187,6 +197,11 @@ public enum Actions
         /// Run event, such as Python node run clicked, Graph run Clicked
         /// </summary>
         Run,
+
+        /// <summary>
+        /// Load event, such as extensions loaded
+        /// </summary>
+        Load,
     }
 
     /// <summary>