diff --git a/dialogflow/detect-intent-TTS-response.v2.js b/dialogflow/detect-intent-TTS-response.v2.js
new file mode 100644
index 00000000000..f7a66175d9c
--- /dev/null
+++ b/dialogflow/detect-intent-TTS-response.v2.js
@@ -0,0 +1,70 @@
+/**
+ * Copyright 2018, 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.
+ */
+
+'use strict';
+async function main(
+  projectId = 'YOUR_PROJECT_ID',
+  sessionId = 'YOUR_SESSION_ID',
+  query = 'YOUR_QUERY',
+  languageCode = 'YOUR_LANGUAGE_CODE',
+  outputFile = 'YOUR_OUTPUT_FILE'
+) {
+  // [START dialogflow_detect_intent_with_texttospeech_response]
+  // Imports the Dialogflow client library
+  const dialogflow = require('dialogflow').v2;
+
+  // Instantiate a DialogFlow client.
+  const sessionClient = new dialogflow.SessionsClient();
+
+  /**
+   * TODO(developer): Uncomment the following lines before running the sample.
+   */
+  // const projectId = 'ID of GCP project associated with your Dialogflow agent';
+  // const sessionId = `user specific ID of session, e.g. 12345`;
+  // const query = `phrase(s) to pass to detect, e.g. I'd like to reserve a room for six people`;
+  // const languageCode = 'BCP-47 language code, e.g. en-US';
+  // const outputFile = `path for audio output file, e.g. ./resources/myOutput.wav`;
+
+  // Define session path
+  const sessionPath = sessionClient.sessionPath(projectId, sessionId);
+  const fs = require(`fs`);
+  const util = require(`util`);
+
+  async function detectIntentwithTTSResponse() {
+    // The audio query request
+    const request = {
+      session: sessionPath,
+      queryInput: {
+        text: {
+          text: query,
+          languageCode: languageCode,
+        },
+      },
+      outputAudioConfig: {
+        audioEncoding: `OUTPUT_AUDIO_ENCODING_LINEAR_16`,
+      },
+    };
+    sessionClient.detectIntent(request).then(responses => {
+      console.log('Detected intent:');
+      const audioFile = responses[0].outputAudio;
+      util.promisify(fs.writeFile)(outputFile, audioFile, 'binary');
+      console.log(`Audio content written to file: ${outputFile}`);
+    });
+  }
+  detectIntentwithTTSResponse();
+  // [END dialogflow_detect_intent_with_texttospeech_response]
+}
+
+main(...process.argv.slice(2));
diff --git a/dialogflow/detect-intent-sentiment.v2.js b/dialogflow/detect-intent-sentiment.v2.js
new file mode 100644
index 00000000000..ad9eaf1ec36
--- /dev/null
+++ b/dialogflow/detect-intent-sentiment.v2.js
@@ -0,0 +1,86 @@
+/**
+ * Copyright 2018, 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.
+ */
+
+'use strict';
+async function main(
+  projectId = 'YOUR_PROJECT_ID',
+  sessionId = 'YOUR_SESSION_ID',
+  query = 'YOUR_QUERY',
+  languageCode = 'YOUR_LANGUAGE_CODE'
+) {
+  // [START dialogflow_detect_intent_with_sentiment_analysis]
+  // Imports the Dialogflow client library
+  const dialogflow = require('dialogflow').v2;
+
+  // Instantiate a DialogFlow client.
+  const sessionClient = new dialogflow.SessionsClient();
+
+  /**
+   * TODO(developer): Uncomment the following lines before running the sample.
+   */
+  // const projectId = 'ID of GCP project associated with your Dialogflow agent';
+  // const sessionId = `user specific ID of session, e.g. 12345`;
+  // const query = `phrase(s) to pass to detect, e.g. I'd like to reserve a room for six people`;
+  // const languageCode = 'BCP-47 language code, e.g. en-US';
+
+  // Define session path
+  const sessionPath = sessionClient.sessionPath(projectId, sessionId);
+
+  async function detectIntentandSentiment() {
+    // The text query request.
+    const request = {
+      session: sessionPath,
+      queryInput: {
+        text: {
+          text: query,
+          languageCode: languageCode,
+        },
+      },
+      queryParams: {
+        sentimentAnalysisRequestConfig: {
+          analyzeQueryTextSentiment: true,
+        },
+      },
+    };
+
+    // Send request and log result
+    const responses = await sessionClient.detectIntent(request);
+    console.log('Detected intent');
+    const result = responses[0].queryResult;
+    console.log(`  Query: ${result.queryText}`);
+    console.log(`  Response: ${result.fulfillmentText}`);
+    if (result.intent) {
+      console.log(`  Intent: ${result.intent.displayName}`);
+    } else {
+      console.log(`  No intent matched.`);
+    }
+    if (result.sentimentAnalysisResult) {
+      console.log(`Detected sentiment`);
+      console.log(
+        `  Score: ${result.sentimentAnalysisResult.queryTextSentiment.score}`
+      );
+      console.log(
+        `  Magnitude: ${
+          result.sentimentAnalysisResult.queryTextSentiment.magnitude
+        }`
+      );
+    } else {
+      console.log(`No sentiment Analysis Found`);
+    }
+    // [END dialogflow_detect_intent_with_sentiment_analysis]
+  }
+  detectIntentandSentiment();
+}
+main(...process.argv.slice(2));
diff --git a/dialogflow/system-test/detect.test.js b/dialogflow/system-test/detect.test.js
index 817dc28a577..d3a30ac43aa 100644
--- a/dialogflow/system-test/detect.test.js
+++ b/dialogflow/system-test/detect.test.js
@@ -20,7 +20,12 @@ const {assert} = require('chai');
 const execa = require('execa');
 
 const cmd = 'node detect.js';
+const cmd_tts = 'node detect-intent-TTS-response.v2.js';
+const cmd_sentiment = 'node detect-intent-sentiment.v2.js';
 const cwd = path.join(__dirname, '..');
+const projectId =
+  process.env.GCLOUD_PROJECT || process.env.GOOGLE_CLOUD_PROJECT;
+const testQuery = 'Where is my data stored?';
 
 const audioFilepathBookARoom = path
   .join(__dirname, '../resources/book_a_room.wav')
@@ -52,4 +57,23 @@ describe('basic detection', () => {
     );
     assert.include(stdout, 'Detected intent');
   });
+
+  it('should detect Intent with Text to Speech Response', async () => {
+    const {stdout} = await execa.shell(
+      `${cmd_tts} ${projectId} 'SESSION_ID' '${testQuery}' 'en-US' './resources/output.wav'`,
+      {cwd}
+    );
+    assert.include(
+      stdout,
+      'Audio content written to file: ./resources/output.wav'
+    );
+  });
+
+  it('should detect sentiment with intent', async () => {
+    const {stdout} = await execa.shell(
+      `${cmd_sentiment} ${projectId} 'SESSION_ID' '${testQuery}' 'en-US'`,
+      {cwd}
+    );
+    assert.include(stdout, 'Detected sentiment');
+  });
 });