Added an article on a new mobile agents api for tracking http headers

src/content/docs/mobile-monitoring/new-relic-mobile/mobile-sdk/add-tracked-headers.mdx

@@ -0,0 +1,177 @@
+---
+title: Mobile SDK guide
+tags:
+  - Mobile monitoring
+  - API guides
+metaDescription: 'Customize your mobile agent instrumentation to capture specific HTTP header fields.'
+---
+
+<Tabs>
+	<TabsBar>
+        <TabsBarItem id="android">
+            Android
+        </TabsBarItem>
+        <TabsBarItem id="ios">
+            iOS
+        </TabsBarItem>
+        <TabsBarItem id="maui">
+            .NET MAUI
+        </TabsBarItem>
+        <TabsBarItem id="xamarin">
+            Xamarin
+        </TabsBarItem>
+    </TabsBar>
+
+    <TabsPages>
+        <TabsPageItem id="android">
+## Syntax [#syntax]
+
+### Java [#java]
+
+```java
+NewRelic.addHTTPHeadersTrackingFor(List<String> headers)
+```
+
+### Kotlin [#kotlin]
+
+```kotlin
+NewRelic.addHTTPHeadersTrackingFor(List<String> headers)
+```
+
+## Description [#description]
+
+This API allows you to add any header field strings to a list that gets recorded as attributes with networking request events.
+
+## Parameters [#parameters]
+
+<table>
+  <thead>
+    <tr>
+      <th width="30%">
+        Parameter
+      </th>
+
+      <th width="30%">
+        Type
+      </th>
+      <th>
+        Description
+      </th>
+    </tr>
+  </thead>
+
+  <tbody>
+    <tr>
+      <td>
+        `$headers`
+      </td>
+
+      <td>
+        `Exception`
+      </td> 
+
+      <td>
+       Required. The HTTP header fields to be added.
+      </td>
+    </tr>
+
+  </tbody>
+</table>
+
+## Return values [#return-values]
+
+Returns `true` if added successfully, or `false` if not.
+
+## Examples [#examples]
+
+Here's an example of adding some HTTP header fields:
+
+### Java [#java]
+
+```java
+public class MainActivity extends Activity {
+  ...
+
+  ...
+}
+```
+
+### Kotlin [#kotlin]
+
+```kotlin
+
+class MainActivity : AppCompatActivity() {
+
+....
+
+........
+```
+        </TabsPageItem>
+        <TabsPageItem id="ios">
+
+## Syntax [#syntax]
+
+### Objective-c
+
+```objectivec
+(void)addHTTPHeaderTrackingFor:(NSArray<NSString*>*_Nonnull)headers;
+```
+
+### Swift [#swift]
+
+```swift
+NewRelic.addHTTPHeaderTracking(for: [String])
+```
+
+## Description [#description]
+
+This API allows you to add any header field strings to a list that gets recorded as attributes with networking request events.
+
+## Parameters [#parameters]
+
+<table>
+  <thead>
+    <tr>
+      <th width="30%">
+        Parameter
+      </th>
+
+      <th width={200}>
+        Type
+      </th>
+      <th>
+        Description
+      </th>
+    </tr>
+  </thead>
+
+  <tbody>
+    <tr>
+      <td>
+        `headers`
+      </td>
+
+      <td>
+        `NSArray<NSString*>*_Nonnull`
+      </td> 
+
+      <td>
+       Required. The HTTP header fields to be added.
+      </td>
+    </tr>
+
+  </tbody>
+</table>
+
+
+## Examples [#examples]
+
+Here's an example of adding some HTTP header fields:
+
+```objectivec
+    [NewRelic addHTTPHeadersTrackingFor:@[@"Example", @"Example2"]];
+```
+
+```swift
+    NewRelic.addHTTPHeadersTracking(for:["Example", "Example2"])
+```

src/nav/mobile-monitoring.yml

@@ -226,6 +226,8 @@ pages:
         path: /docs/mobile-monitoring/new-relic-mobile/mobile-sdk/network-request-success
       - title: Track failing HTTP requests
         path: /docs/mobile-monitoring/new-relic-mobile/mobile-sdk/network-request-failures
+      - title: Track HTTP requests Headers
+        path: /docs/mobile-monitoring/new-relic-mobile/mobile-sdk/add-tracked-headers
       - title: (Android only) Set app launch time target activity
         path: /docs/mobile-monitoring/new-relic-mobile/mobile-sdk/name-android-activity
   - title: Best practices