Learn Editor: Update event-hubs-trusted-services.md

Author: spelluru

articles/event-hubs/includes/event-hubs-trusted-services.md

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 ms.date: 01/26/2022
 ms.author: spelluru
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 ## Trusted Microsoft services
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 When you enable the **Allow trusted Microsoft services to bypass this firewall** setting, the following services within the same tenant are granted access to your Event Hubs resources.
 
 | Trusted service | Supported usage scenarios | 
@@ -23,3 +23,7 @@ When you enable the **Allow trusted Microsoft services to bypass this fir
 | Azure IoT Hub | Allows IoT Hub to send messages to event hubs in your Event Hub namespace. You also need to do the following steps: <ul><li>Enable system-assigned identity for your IoT hub</li><li>Add the identity to the Azure Event Hubs Data Sender role on the Event Hubs namespace.</li><li>Then, configure the IoT Hub that uses an event hub as a custom endpoint to use the identity-based authentication.</li></ul>
 | Azure API Management | <p>The API Management service allows you to send events to an event hub in your Event Hubs namespace.</p> <ul><li>You can trigger custom workflows by sending events to your event hub when an API is invoked by using the [send-request policy](../../api-management/api-management-sample-send-request.md).</li><li>You can also treat an event hub as your backend in an API. For a sample policy, see [Authenticate using a managed identity to access an event hub](https://github.com/Azure/api-management-policy-snippets/blob/master/examples/Authenticate%20using%20Managed%20Identity%20to%20access%20Event%20Hub.xml). You also need to do the following steps:<ol><li>Enable system-assigned identity on the API Management instance. For instructions, see [Use managed identities in Azure API Management](../../api-management/api-management-howto-use-managed-service-identity.md).</li><li>Add the identity to the **Azure Event Hubs Data Sender** role on the Event Hubs namespace</li></ol></li></ul> | 
 | Azure IoT Central | <p>Allows IoT Central to export data to event hubs in your Event Hub namespace. You also need to do the following steps:</p><ul><li>Enable system-assigned identity for your IoT Central application.</li><li>Add the identity to the **Azure Event Hubs Data Sender** role on the Event Hubs namespace.</li><li>Then, configure the Event Hubs [export destination on your IoT Central application](../../iot-central/core/howto-export-data.md) to use identity-based authentication.</li>
+| Azure Health Data Services | | 
+| Azure Digital Twins | | 
+| Azure Arc | | 
+| Azure Synapse | |