adding preview tag

Author: aahill

articles/ai-services/agents/overview.md

@@ -11,7 +11,7 @@ ms.date: 01/10/2025
 ms.custom: azure-ai-agents
 ---
 
-# What is Azure AI Agent Service?
+# What is Azure AI Agent Service (Preview)?
 
 [Azure AI Agent Service](https://techcommunity.microsoft.com/blog/azure-ai-services-blog/introducing-azure-ai-agent-service/4298357) is a fully managed service designed to empower developers to securely build, deploy, and scale high-quality, and extensible AI agents without needing to manage the underlying compute and storage resources. What originally took hundreds of lines of code to support [client side function calling](/azure/ai-services/openai/how-to/function-calling) can now be done in just a few lines of code with Azure AI Agent Service.
 

articles/ai-services/agents/quickstart.md

@@ -12,7 +12,7 @@ zone_pivot_groups: agents-quickstart
 ms.custom: azure-ai-agents
 ---
 
-# Quickstart: Create a new agent
+# Quickstart: Create a new agent (Preview)
 
 Azure AI Agent Service allows you to create AI agents tailored to your needs through custom instructions and augmented by advanced tools like code interpreter, and custom functions.
 

articles/ai-services/agents/toc.yml

@@ -4,7 +4,7 @@ items:
 - name: Overview
   expanded: true
   items:
-  - name: What is Azure AI Agent Service?
+  - name: What is Azure AI Agent Service (Preview)?
     href: overview.md
   - name: What's new
     href: ./whats-new.md