Update route parama script

Author: craigshoemaker

articles/azure-functions/functions-bindings-http-webhook-trigger.md

@@ -33,7 +33,7 @@ The following example shows a [C# function](functions-dotnet-class-library.md) t
 ```cs
 [FunctionName("HttpTriggerCSharp")]
 public static async Task<IActionResult> Run(
-    [HttpTrigger(AuthorizationLevel.Function, "get", "post", Route = null)] 
+    [HttpTrigger(AuthorizationLevel.Function, "get", "post", Route = null)]
     HttpRequest req, ILogger log)
 {
     log.LogInformation("C# HTTP trigger function processed a request.");
@@ -672,7 +672,17 @@ module.exports = function (context, req) {
 
 # [PowerShell](#tab/powershell)
 
-**TBD**
+```powershell
+$Category = $Request.Params.category
+$Id = $Request.Params.id
+
+$Message = "Category:" + $Category + ", ID: " + $Id
+
+Push-OutputBinding -Name Response -Value ([HttpResponseContext]@{
+    StatusCode = [HttpStatusCode]::OK
+    Body = $Message
+})
+```
 
 # [Python](#tab/python)
 
@@ -727,7 +737,7 @@ The following configuration shows how the `{id}` parameter is passed to the bind
 
 ## Working with client identities
 
-If your function app is using [App Service Authentication / Authorization](../app-service/overview-authentication-authorization.md), you can view information about authenticated clients from your code. This information is available as [request headers injected by the platform](../app-service/app-service-authentication-how-to.md#access-user-claims). 
+If your function app is using [App Service Authentication / Authorization](../app-service/overview-authentication-authorization.md), you can view information about authenticated clients from your code. This information is available as [request headers injected by the platform](../app-service/app-service-authentication-how-to.md#access-user-claims).
 
 You can also read this information from binding data. This capability is only available to the Functions runtime in 2.x and higher. It is also currently only available for .NET languages.
 
@@ -807,7 +817,7 @@ The authenticated user is available via [HTTP Headers](../app-service/app-servic
 
 # [PowerShell](#tab/powershell)
 
-TBD
+The authenticated user is available via [HTTP Headers](../app-service/app-service-authentication-how-to.md#access-user-claims).
 
 # [Python](#tab/python)