Merge pull request #104997 from spelluru/egridsources0202

updated the list of event sources

Author: PRMerger14

articles/event-grid/overview.md

@@ -7,7 +7,7 @@ manager: timlt
 
 ms.service: event-grid
 ms.topic: overview
-ms.date: 10/22/2019
+ms.date: 02/20/2020
 ms.author: babanisa
 ms.custom: seodec18
 ---
@@ -30,16 +30,20 @@ This image shows how Event Grid connects sources and handlers, and isn't a compr
 
 For full details on the capabilities of each source as well as related articles, see [event sources](event-sources.md). Currently, the following Azure services support sending events to Event Grid:
 
-* [Azure Subscriptions (management operations)](event-sources.md#azure-subscriptions)
+* [Azure subscriptions (management operations)](event-sources.md#azure-subscriptions)
 * [Container Registry](event-sources.md#container-registry)
-* [Custom Topics](event-sources.md#custom-topics)
+* [Custom topics](event-sources.md#custom-topics)
 * [Event Hubs](event-sources.md#event-hubs)
 * [IoT Hub](event-sources.md#iot-hub)
+* [Key Vault (preview)](event-sources.md#key-vault-preview)
 * [Media Services](event-sources.md#media-services)
-* [Resource Groups (management operations)](event-sources.md#resource-groups)
+* [Resource groups (management operations)](event-sources.md#resource-groups)
 * [Service Bus](event-sources.md#service-bus)
 * [Storage Blob](event-sources.md#storage)
 * [Azure Maps](event-sources.md#maps)
+* [App Configuration](event-sources.md#app-configuration)
+* [Signal R](event-sources.md#azure-signalr)
+* [Machine Learning](event-sources.md#azure-machine-learning)
 
 ## Event handlers
 
@@ -51,8 +55,8 @@ For full details on the capabilities of each handler as well as related articles
 * [Hybrid Connections](event-handlers.md#hybrid-connections)
 * [Logic Apps](event-handlers.md#logic-apps)
 * [Power Automate (Formerly known as Microsoft Flow)](https://preview.flow.microsoft.com/connectors/shared_azureeventgrid/azure-event-grid/)
-* [Queue Storage](event-handlers.md#queue-storage)
 * [Service Bus](event-handlers.md#service-bus)
+* [Queue Storage](event-handlers.md#queue-storage)
 * [WebHooks](event-handlers.md#webhooks)
 
 ## Concepts