@@ -368,7 +368,11 @@ export enum Telemetry {
     RunByLineStart = 'DATASCIENCE.RUN_BY_LINE',
     RunByLineStep = 'DATASCIENCE.RUN_BY_LINE_STEP',
     RunByLineStop = 'DATASCIENCE.RUN_BY_LINE_STOP',
-    RunByLineVariableHover = 'DATASCIENCE.RUN_BY_LINE_VARIABLE_HOVER'
+    RunByLineVariableHover = 'DATASCIENCE.RUN_BY_LINE_VARIABLE_HOVER',
+    TrustAllNotebooks = 'DATASCIENCE.TRUST_ALL_NOTEBOOKS',
+    TrustNotebook = 'DATASCIENCE.TRUST_NOTEBOOK',
+    DoNotTrustNotebook = 'DATASCIENCE.DO_NOT_TRUST_NOTEBOOK',
+    NotebookTrustPromptShown = 'DATASCIENCE.NOTEBOOK_TRUST_PROMPT_SHOWN'
 }
 
 export enum NativeKeyboardCommandTelemetry {
 
@@ -13,7 +13,8 @@ import '../../common/extensions';
 import { IDisposableRegistry, IExperimentService } from '../../common/types';
 import { swallowExceptions } from '../../common/utils/decorators';
 import { DataScience } from '../../common/utils/localize';
-import { Commands } from '../constants';
+import { sendTelemetryEvent } from '../../telemetry';
+import { Commands, Telemetry } from '../constants';
 import { INotebookStorageProvider } from '../interactive-ipynb/notebookStorageProvider';
 import { INotebookEditorProvider, ITrustService } from '../types';
 
@@ -57,10 +58,12 @@ export class TrustCommandHandler implements IExtensionSingleActivationService {
             DataScience.doNotTrustNotebook(),
             DataScience.trustAllNotebooks()
         );
+        sendTelemetryEvent(Telemetry.NotebookTrustPromptShown);
 
         switch (selection) {
             case DataScience.trustAllNotebooks():
                 commands.executeCommand('workbench.action.openSettings', 'python.dataScience.alwaysTrustNotebooks');
+                sendTelemetryEvent(Telemetry.TrustAllNotebooks);
                 break;
             case DataScience.trustNotebook():
                 // Update model trust
@@ -73,6 +76,10 @@ export class TrustCommandHandler implements IExtensionSingleActivationService {
                 });
                 const contents = model.getContent();
                 await this.trustService.trustNotebook(model.file, contents);
+                sendTelemetryEvent(Telemetry.TrustNotebook);
+                break;
+            case DataScience.doNotTrustNotebook():
+                sendTelemetryEvent(Telemetry.DoNotTrustNotebook);
                 break;
             default:
                 break;
 
@@ -2192,10 +2192,20 @@ export interface IEventNamePropertyMapping {
     [Telemetry.StartPageOpenFileBrowser]: never | undefined;
     [Telemetry.StartPageOpenFolder]: never | undefined;
     [Telemetry.StartPageOpenWorkspace]: never | undefined;
+
+    // Run by line events
     [Telemetry.RunByLineStart]: never | undefined;
     [Telemetry.RunByLineStep]: never | undefined;
     [Telemetry.RunByLineStop]: never | undefined;
     [Telemetry.RunByLineVariableHover]: never | undefined;
+
+    // Trusted notebooks events
+    [Telemetry.NotebookTrustPromptShown]: never | undefined;
+    [Telemetry.TrustNotebook]: never | undefined;
+    [Telemetry.TrustAllNotebooks]: never | undefined;
+    [Telemetry.DoNotTrustNotebook]: never | undefined;
+
+    // Native notebooks events
     [VSCodeNativeTelemetry.AddCell]: never | undefined;
     [VSCodeNativeTelemetry.DeleteCell]: never | undefined;
     [VSCodeNativeTelemetry.MoveCell]: never | undefined;