From 9c9965ac2c5bf8e9113de728392025e9c257d220 Mon Sep 17 00:00:00 2001
From: Justin Yoo <justin.yoojh@gmail.com>
Date: Fri, 19 Sep 2025 15:53:46 +0900
Subject: [PATCH] Add code samples for the "streaming API responses" page

---
 .../responses/enable_streaming.cs             | 29 +++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 docs/guides/streaming-responses/responses/enable_streaming.cs

diff --git a/docs/guides/streaming-responses/responses/enable_streaming.cs b/docs/guides/streaming-responses/responses/enable_streaming.cs
new file mode 100644
index 000000000..82f8c4047
--- /dev/null
+++ b/docs/guides/streaming-responses/responses/enable_streaming.cs
@@ -0,0 +1,29 @@
+// SAMPLE: Generate streaming responses through Responses API
+// PAGE: https://platform.openai.com/docs/guides/streaming-responses#enable-streaming
+// GUIDANCE: Instructions to run this code: https://aka.ms/oai/net/start
+#pragma warning disable OPENAI001
+
+#:package System.Linq.Async@6.*
+#:package OpenAI@2.*
+#:property PublishAot=false
+
+using OpenAI.Responses;
+
+string key = Environment.GetEnvironmentVariable("OPENAI_API_KEY")!;
+OpenAIResponseClient client = new(model: "gpt-5", apiKey: key);
+
+var responses = client.CreateResponseStreamingAsync([
+    ResponseItem.CreateUserMessageItem([
+        ResponseContentPart.CreateInputTextPart(
+            "Say 'double bubble bath' ten times fast."
+        )
+    ])
+]);
+
+await foreach (var response in responses)
+{
+    if (response is StreamingResponseOutputTextDeltaUpdate delta)
+    {
+        Console.Write(delta.Delta);
+    }
+}