Merge pull request #252145 from hectorhdzg/hectorhdzg/nodejsupda

[Azure Monitor OpenTelemetry] Add explanation regarding manual APIs

Author: prmerger-automator[bot]

articles/azure-monitor/app/opentelemetry-add-modify.md

@@ -1328,12 +1328,14 @@ Not available in .NET.
 #### [Node.js](#tab/nodejs)
 
 
+If you would like to add custom events or need access to the Application Insights API, you will need to replace the @azure/monitor-opentelemetry package with the `applicationinsights` v3 Beta package (https://www.npmjs.com/package/applicationinsights/v/beta). Same methods and interfaces should be available there, all sample code in documented for @azure/monitor-opentelemetry apply to v3 Beta package as well.
+
 You need to use `applicationinsights` v3 Beta package to send custom telemetry using the Application Insights Classic API. (https://www.npmjs.com/package/applicationinsights/v/beta)
 
 ```javascript
     const { TelemetryClient } = require("applicationinsights");
 
-    const appInsights = new TelemetryClient();
+    const telemetryClient = new TelemetryClient();
 ```
 
 Then use the `TelemetryClient` to send custom telemetry:
@@ -1344,7 +1346,7 @@ Then use the `TelemetryClient` to send custom telemetry:
     let eventTelemetry = {
         name: "testEvent"
     };
-    appInsights.trackEvent(eventTelemetry);
+    telemetryClient.trackEvent(eventTelemetry);
 ```
 
 ##### Logs
@@ -1354,7 +1356,7 @@ Then use the `TelemetryClient` to send custom telemetry:
         message: "testMessage",
         severity: "Information"
     };
-    appInsights.trackTrace(traceTelemetry);
+    telemetryClient.trackTrace(traceTelemetry);
 ```
 
 ##### Exceptions
@@ -1367,7 +1369,7 @@ Then use the `TelemetryClient` to send custom telemetry:
             exception: error,
             severity: "Critical"
         };
-        appInsights.trackException(exceptionTelemetry);
+        telemetryClient.trackException(exceptionTelemetry);
     }
 ```
 

articles/azure-monitor/app/opentelemetry-configuration.md

@@ -123,7 +123,7 @@ Use one of the following two ways to configure the connection string:
     ```typescript
    const { useAzureMonitor, AzureMonitorOpenTelemetryOptions } = require("@azure/monitor-opentelemetry");
     const options: AzureMonitorOpenTelemetryOptions = {
-        azureMonitorExporterConfig: {
+        azureMonitorExporterOptions: {
             connectionString: "<your connection string>"
         }
     };
@@ -601,7 +601,7 @@ For example:
 const { useAzureMonitor, AzureMonitorOpenTelemetryOptions } = require("@azure/monitor-opentelemetry");
 
 const options: AzureMonitorOpenTelemetryOptions = {
-    azureMonitorExporterConfig = {
+    azureMonitorExporterOptions = {
         connectionString: "<Your Connection String>",
         storageDirectory: "C:\\SomeDirectory",
         disableOfflineStorage: false