Update v4 new features doc with migration guide (#28782)

Pan-Qi · dolauli · Copilot · web-flow · commit 8d5727fbe868 · 2025-11-04T10:29:27.000+08:00
Co-authored-by: Xiaogang &lt;xidi@microsoft.com&gt;
Co-authored-by: Copilot &lt;175728472+Copilot@users.noreply.github.com&gt;
diff --git a/documentation/Autorest-powershell-v4-new-features.md b/documentation/Autorest-powershell-v4-new-features.md
@@ -1,4 +1,5 @@
 # Autorest PowerShell V4 Features from the End Users' Perspective
+How to migrate from Autorest PowerShell v3 to v4 please refer to [here](https://go.microsoft.com/fwlink/?linkid=2340250).
 
 ## 1. Support for piping parent object: 
     This allows users to pipe parent objects into cmdlets, simplifying commands. 

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,5 @@`
`1`	`1`	`# Autorest PowerShell V4 Features from the End Users' Perspective`
	`2`	`+How to migrate from Autorest PowerShell v3 to v4 please refer to [here](https://go.microsoft.com/fwlink/?linkid=2340250).`
`2`	`3`
`3`	`4`	`## 1. Support for piping parent object:`
`4`	`5`	`This allows users to pipe parent objects into cmdlets, simplifying commands.`