From 3d81d5211e87721c7af2d8419719fd87de6138ee Mon Sep 17 00:00:00 2001
From: Chris Rickman <crickman@microsoft.com>
Date: Tue, 3 Jun 2025 09:27:34 -0700
Subject: [PATCH] yw

---
 .../src/Custom/Streaming/RunStepDetailsUpdate.cs                | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sdk/ai/Azure.AI.Agents.Persistent/src/Custom/Streaming/RunStepDetailsUpdate.cs b/sdk/ai/Azure.AI.Agents.Persistent/src/Custom/Streaming/RunStepDetailsUpdate.cs
index 1d29269b9c67..74afbafef287 100644
--- a/sdk/ai/Azure.AI.Agents.Persistent/src/Custom/Streaming/RunStepDetailsUpdate.cs
+++ b/sdk/ai/Azure.AI.Agents.Persistent/src/Custom/Streaming/RunStepDetailsUpdate.cs
@@ -46,7 +46,7 @@ public IReadOnlyList<RunStepDeltaCodeInterpreterOutput> CodeInterpreterOutputs
         => _asCodeCall?.CodeInterpreter?.Outputs;
 
     /// <inheritdoc cref="RunStepDeltaFunction.Name"/>
-    public string FunctionName => _asFunctionCall.Function?.Name;
+    public string FunctionName => _asFunctionCall?.Function?.Name;
 
     /// <inheritdoc cref="RunStepDeltaFunction.Arguments"/>
     public string FunctionArguments => _asFunctionCall?.Function?.Arguments;