diff --git a/samples/CodeExecution.swift b/samples/CodeExecution.swift
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+// Copyright 2024 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import GoogleGenerativeAI
+import XCTest
+
+// Set up your API Key
+// ====================
+// To use the Gemini API, you'll need an API key. To learn more, see the "Set up your API Key"
+// section in the Gemini API quickstart:
+// https://ai.google.dev/gemini-api/docs/quickstart?lang=swift#set-up-api-key
+
+@available(iOS 15.0, macOS 11.0, macCatalyst 15.0, *)
+final class CodeExecutionSnippets: XCTestCase {
+  override func setUpWithError() throws {
+    try XCTSkipIf(
+      APIKey.default.isEmpty,
+      "`\(APIKey.apiKeyEnvVar)` environment variable not set."
+    )
+  }
+
+  func testCodeExecutionBasic() async throws {
+    // [START code_execution_basic]
+    let generativeModel =
+      GenerativeModel(
+        // Specify a Gemini model appropriate for your use case
+        name: "gemini-1.5-flash",
+        // Access your API key from your on-demand resource .plist file (see
+        // "Set up your API key" above)
+        apiKey: APIKey.default,
+        tools: [Tool(codeExecution: CodeExecution())]
+      )
+
+    let prompt = """
+    What is the sum of the first 50 prime numbers?
+    Generate and run code for the calculation, and make sure you get all 50.
+    """
+    let response = try await generativeModel.generateContent(prompt)
+    if let text = response.text {
+      print(text)
+    }
+    // [END code_execution_basic]
+  }
+
+  func testCodeExecutionChat() async throws {
+    // [START code_execution_chat]
+    let generativeModel =
+      GenerativeModel(
+        // Specify a Gemini model appropriate for your use case
+        name: "gemini-1.5-flash",
+        // Access your API key from your on-demand resource .plist file (see
+        // "Set up your API key" above)
+        apiKey: APIKey.default,
+        tools: [Tool(codeExecution: CodeExecution())]
+      )
+
+    let chat = generativeModel.startChat()
+
+    let prompt = """
+    What is the sum of the first 50 prime numbers?
+    Generate and run code for the calculation, and make sure you get all 50.
+    """
+    let response = try await chat.sendMessage(prompt)
+    if let text = response.text {
+      print(text)
+    }
+    // [END code_execution_chat]
+  }
+}