Merge pull request #9677 from atmosfer/DBR-2574_add-desc-for-authorization-header-in-http-bridge

Add Description for Authorization Header in HTTP Bridge Documentation

Author: quinntracy

content/en/docs/appstore/use-content/platform-supported-content/services/event-broker.md

@@ -111,6 +111,19 @@ Every event must carry four mandatory CloudEvents core attributes, each prefixed
 
 See [CloudEvents](https://github.com/cloudevents/spec/blob/v1.0.1/spec.md#required-attributes) for more information on required attributes.
 
+#### HTTP Bridges Header
+
+For HTTP Bridges, an additional HTTP header is required for authentication.
+
+* **Authorization**: The value must be set as a Bearer token using the Personal Access Token (PAT) generated during bridge configuration.  
+For example: `Authorization: Bearer <your-personal-access-token>`
+
+This header must be included in all HTTP requests sent to the Mendix Event Broker via the HTTP Bridge. For details on how to obtain your Bearer token, see [Using the HTTP Bridge](#using-the-http-bridge).
+
+{{% alert color="info" %}}
+You can include additional HTTP headers in your request, such as `ce_time: 2025-06-13T15:36:52.148542+02:00`.  For example, passing `ce_time` will set the published time of the event. All other custom HTTP headers will be forwarded as Kafka headers by default.
+{{% /alert %}}
+
 ### Creating a Bridge
 
 Technical Contacts with a license to the Mendix Event Broker can manage this feature from the **Event Broker Bridges** tab on the [Event Broker Manager](https://broker.mendix.com/) page.
@@ -254,7 +267,7 @@ On the confirmation screen you can do the following:
 
     {{< figure src="/attachments/appstore/platform-supported-content/services/event-broker/bridges/http/event_broker_bridges_create_6_http.png" class="no-border" >}}
 
-#### Using the HTTP Bridge
+#### Using the HTTP Bridge {#using-the-http-bridge}
 
 To run the HTTP bridge from your client, include a Bearer token in the request header.