Add info and link to payload limit

Author: ecfan

articles/logic-apps/logic-apps-gateway-connection.md

@@ -13,7 +13,9 @@ ms.date: 09/01/2019
 
 # Connect to on-premises data sources from Azure Logic Apps
 
-To access data sources on premises from your logic apps, create an on-premises data gateway resource in the Azure portal. Your logic apps can then use the [on-premises connectors](../connectors/apis-list.md#on-premises-connectors). This article shows how to create your Azure gateway resource *after* you [download and install the gateway on a local computer](../logic-apps/logic-apps-gateway-install.md). For more information about the gateway, see [How the gateway works](../logic-apps/logic-apps-gateway-install.md#gateway-cloud-service).
+To access data sources on premises from your logic apps, create an on-premises data gateway resource in the Azure portal. Your logic apps can then use the [on-premises connectors](../connectors/apis-list.md#on-premises-connectors). Azure Logic Apps supports write operations, including inserts and updates, through the gateway. However, these operations have [limits on their payload size](https://docs.microsoft.com/data-integration/gateway/service-gateway-onprem#considerations).
+
+This article shows how to create your Azure gateway resource *after* you [download and install the gateway on a local computer](../logic-apps/logic-apps-gateway-install.md). For more information about the gateway, see [How the gateway works](../logic-apps/logic-apps-gateway-install.md#gateway-cloud-service). 
 
 > [!TIP]
 > To connect to Azure virtual networks, consider creating an