Merge pull request #77937 from mike-urnun-msft/patch-63

resolves #31497

Author: PRMerger14

articles/api-management/api-management-policies.md

@@ -34,12 +34,15 @@ This section provides a reference for the following API Management policies. For
     -   [Validate JWT](api-management-access-restriction-policies.md#ValidateJWT) - Enforces existence and validity of a JWT extracted from either a specified HTTP Header or a specified query parameter.  
 -   [Advanced policies](api-management-advanced-policies.md#AdvancedPolicies)  
     -   [Control flow](api-management-advanced-policies.md#choose) - Conditionally applies policy statements based on the evaluation of Boolean expressions.  
-    -   [Forward request](api-management-advanced-policies.md#ForwardRequest) - Forwards the request to the backend service.  
-    -   [Log to Event Hub](api-management-advanced-policies.md#log-to-eventhub) - Sends messages in the specified format to a message target defined by a Logger entity.  
+    -   [Forward request](api-management-advanced-policies.md#ForwardRequest) - Forwards the request to the backend service.
+    -   [Limit concurrency](api-management-advanced-policies.md#LimitConcurrency) - Prevents enclosed policies from executing by more than the specified number of requests at a time.
+    -   [Log to Event Hub](api-management-advanced-policies.md#log-to-eventhub) - Sends messages in the specified format to a message target defined by a Logger entity.
+    -   [Mock response](api-management-advanced-policies.md#mock-response) - Aborts pipeline execution and returns a mocked response directly to the caller.
     -   [Retry](api-management-advanced-policies.md#Retry) - Retries execution of the enclosed policy statements, if and until the condition is met. Execution will repeat at the specified time intervals and up to the specified retry count.  
     -   [Return response](api-management-advanced-policies.md#ReturnResponse) - Aborts pipeline execution and returns the specified response directly to the caller.  
     -   [Send one way request](api-management-advanced-policies.md#SendOneWayRequest) - Sends a request to the specified URL without waiting for a response.  
-    -   [Send request](api-management-advanced-policies.md#SendRequest) - Sends a request to the specified URL.  
+    -   [Send request](api-management-advanced-policies.md#SendRequest) - Sends a request to the specified URL.
+    -   [Set HTTP proxy](api-management-advanced-policies.md#SetHttpProxy) - Allows you to route forwarded requests via an HTTP proxy.
     -   [Set variable](api-management-advanced-policies.md#set-variable) - Persist a value in a named context variable for later access.  
     -   [Set request method](api-management-advanced-policies.md#SetRequestMethod) - Allows you to change the HTTP method for a request.  
     -   [Set status code](api-management-advanced-policies.md#SetStatus) - Changes the HTTP status code to the specified value.