Add device type to telemetry (#186)

src/iotHubMessageExplorer.ts

@@ -59,7 +59,7 @@ export class IoTHubMessageExplorer extends BaseExplorer {
             this._outputChannel.show();
             const deviceLabel = deviceItem ? `[${deviceItem.deviceId}]` : "all devices";
             this.outputLine(Constants.IoTHubMonitorLabel, `Start monitoring D2C message for ${deviceLabel} ...`);
-            TelemetryClient.sendEvent(Constants.IoTHubAIStartMonitorEvent);
+            TelemetryClient.sendEvent(Constants.IoTHubAIStartMonitorEvent, { deviceType: deviceItem ? deviceItem.contextValue : "" });
             this.startMonitor(Constants.IoTHubMonitorLabel, consumerGroup, deviceItem);
         } catch (e) {
             this.outputLine(Constants.IoTHubMonitorLabel, e);

src/utility.ts

@@ -289,7 +289,7 @@ export class Utility {
             return deviceItem;
         } else {
             if (eventName) {
-                TelemetryClient.sendEvent(eventName, { entry: "contextMenu" });
+                TelemetryClient.sendEvent(eventName, { entry: "contextMenu", deviceType: deviceItem.contextValue });
             }
             return deviceItem;
         }