Merge pull request #230646 from dlepow/patch-180

Update use-oauth2-for-authorization.md

Author: v-regandowner

articles/api-management/policies/use-oauth2-for-authorization.md

@@ -1,7 +1,7 @@
 ---
 title: Sample Azure API management policy - Use OAuth2 for authorization between gateway and backend
 titleSuffix: Azure API Management
-description: Azure API management policy sample - Demonstrates how to use OAuth2 for authorization between the gateway and a backend. It shows how to obtain an access token from AAD and forward it to the backend.
+description: Azure API management policy sample - Demonstrates how to use OAuth2 for authorization between the gateway and a backend. It shows how to obtain an access token from Azure AD and forward it to the backend.
 services: api-management
 documentationcenter: ''
 author: dlepow
@@ -12,17 +12,20 @@ ms.service: api-management
 ms.workload: mobile
 ms.tgt_pltfrm: na
 ms.topic: article
-ms.date: 10/13/2017
+ms.date: 03/14/2023
 ms.author: danlep
 ---
 
 # Use OAuth2 for authorization between the gateway and a backend
+ 
+This article shows an Azure API management policy sample that demonstrates how to use OAuth2 for authorization between the gateway and a backend. It shows how to obtain an access token from Azure Active Directory and forward it to the backend. 
 
-This article shows an Azure API management policy sample that demonstrates how to use OAuth2 for authorization between the gateway and a backend. It shows how to obtain an access token from AAD and forward it to the backend. 
+* For a more detailed example policy that not only acquires an access token, but also caches and renews it upon expiration, see [this blog](https://techcommunity.microsoft.com/t5/azure-paas-blog/api-management-policy-for-access-token-acquisition-caching-and/ba-p/2191623).
+* API Management [authorizations](../authorizations-overview.md) (preview) can also be used to simplify the process of managing authorization tokens to OAuth 2.0 backend services. 
 
 To set or edit a policy code, follow the steps described in [Set or edit a policy](../set-edit-policies.md). To see other examples, see [policy samples](../policy-reference.md).
 
-The following script uses properties that appear in {{property}}. To learn about properties and how to use them in API Management policies, see [this](../api-management-howto-properties.md) topic.
+The following script uses named values that appear in {{property_name}}. To learn about named values and how to use them in API Management policies, see [this](../api-management-howto-properties.md) topic.
 
 ## Policy
 
@@ -35,4 +38,4 @@ Paste the code into the **inbound** block.
 Learn more about APIM policies:
 
 + [Transformation policies](../api-management-transformation-policies.md)
-+ [Policy samples](../policy-reference.md)
++ [Policy samples](../policy-reference.md)