diff --git a/genai/test/textgen-async-with-txt.test.js b/genai/test/textgen-async-with-txt.test.js
new file mode 100644
index 0000000000..540ff3e682
--- /dev/null
+++ b/genai/test/textgen-async-with-txt.test.js
@@ -0,0 +1,29 @@
+// Copyright 2025 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
+//
+//     https://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';
+
+const {assert} = require('chai');
+const {describe, it} = require('mocha');
+
+const projectId = process.env.CAIP_PROJECT_ID;
+const sample = require('../text-generation/textgen-async-with-txt.js');
+
+describe('textgen-async-with-txt', () => {
+  it('should generate text content from a text prompt and with system instructions', async function () {
+    this.timeout(100000);
+    const output = await sample.generateText(projectId);
+    assert(output.length > 0);
+  });
+});
diff --git a/genai/test/textgen-chat-stream-with-txt.test.js b/genai/test/textgen-chat-stream-with-txt.test.js
new file mode 100644
index 0000000000..a81fdb4031
--- /dev/null
+++ b/genai/test/textgen-chat-stream-with-txt.test.js
@@ -0,0 +1,29 @@
+// Copyright 2025 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
+//
+//     https://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';
+
+const {assert} = require('chai');
+const {describe, it} = require('mocha');
+
+const projectId = process.env.CAIP_PROJECT_ID;
+const sample = require('../text-generation/textgen-chat-stream-with-txt.js');
+
+describe('textgen-chat-stream-with-txt', () => {
+  it('should generate text content from a mute video', async function () {
+    this.timeout(100000);
+    const output = await sample.generateText(projectId);
+    assert.isTrue(output);
+  });
+});
diff --git a/genai/test/textgen-chat-with-txt.test.js b/genai/test/textgen-chat-with-txt.test.js
new file mode 100644
index 0000000000..184013536c
--- /dev/null
+++ b/genai/test/textgen-chat-with-txt.test.js
@@ -0,0 +1,29 @@
+// Copyright 2025 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
+//
+//     https://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';
+
+const {assert} = require('chai');
+const {describe, it} = require('mocha');
+
+const projectId = process.env.CAIP_PROJECT_ID;
+const sample = require('../text-generation/textgen-chat-with-txt.js');
+
+describe('textgen-chat-with-txt', () => {
+  it('should generate chat content from a text prompt', async function () {
+    this.timeout(100000);
+    const output = await sample.generateText(projectId);
+    assert(output.length > 0);
+  });
+});
diff --git a/genai/test/textgen-code-with-pdf.test.js b/genai/test/textgen-code-with-pdf.test.js
index d4a11130a1..22ec5b77fe 100644
--- a/genai/test/textgen-code-with-pdf.test.js
+++ b/genai/test/textgen-code-with-pdf.test.js
@@ -23,7 +23,7 @@ const sample = require('../text-generation/textgen-code-with-pdf.js');
 describe('textgen-code-with-pdf', () => {
   it('should generate text content from a pdf', async function () {
     this.timeout(100000);
-    const output = await sample.generateContent(projectId);
+    const output = await sample.generateText(projectId);
     assert(output.length > 0);
   });
 });
diff --git a/genai/test/textgen-config-with-txt.test.js b/genai/test/textgen-config-with-txt.test.js
new file mode 100644
index 0000000000..b070952515
--- /dev/null
+++ b/genai/test/textgen-config-with-txt.test.js
@@ -0,0 +1,29 @@
+// Copyright 2025 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
+//
+//     https://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';
+
+const {assert} = require('chai');
+const {describe, it} = require('mocha');
+
+const projectId = process.env.CAIP_PROJECT_ID;
+const sample = require('../text-generation/textgen-config-with-txt.js');
+
+describe('textgen-config-with-txt', () => {
+  it('should generate text content from a text prompt with config', async function () {
+    this.timeout(100000);
+    const output = await sample.generateContent(projectId);
+    assert(output.length > 0);
+  });
+});
diff --git a/genai/test/textgen-with-mute-video.test.js b/genai/test/textgen-with-mute-video.test.js
new file mode 100644
index 0000000000..65b5013126
--- /dev/null
+++ b/genai/test/textgen-with-mute-video.test.js
@@ -0,0 +1,29 @@
+// Copyright 2025 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
+//
+//     https://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';
+
+const {assert} = require('chai');
+const {describe, it} = require('mocha');
+
+const projectId = process.env.CAIP_PROJECT_ID;
+const sample = require('../text-generation/textgen-with-mute-video.js');
+
+describe('textgen-with-mute-video', () => {
+  it('should generate text content from a mute video', async function () {
+    this.timeout(100000);
+    const output = await sample.generateText(projectId);
+    assert(output.length > 0);
+  });
+});
diff --git a/genai/text-generation/textgen-async-with-txt.js b/genai/text-generation/textgen-async-with-txt.js
new file mode 100644
index 0000000000..c47f59b4fa
--- /dev/null
+++ b/genai/text-generation/textgen-async-with-txt.js
@@ -0,0 +1,56 @@
+// Copyright 2025 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
+//
+//     https://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';
+
+// [START googlegenaisdk_textgen_async_with_txt]
+const {GoogleGenAI} = require('@google/genai');
+
+const GOOGLE_CLOUD_PROJECT = process.env.GOOGLE_CLOUD_PROJECT;
+const GOOGLE_CLOUD_LOCATION = process.env.GOOGLE_CLOUD_LOCATION || 'global';
+
+async function generateText(
+  projectId = GOOGLE_CLOUD_PROJECT,
+  location = GOOGLE_CLOUD_LOCATION
+) {
+  const client = new GoogleGenAI({
+    vertexai: true,
+    project: projectId,
+    location: location,
+  });
+
+  const response = await client.models.generateContent({
+    model: 'gemini-2.5-flash',
+    contents:
+      'Compose a song about the adventures of a time-traveling squirrel.',
+    config: {
+      responseMimeType: 'text/plain',
+    },
+  });
+
+  console.log(response.text);
+
+  // Example response:
+  // (Verse 1)
+  // Sammy the nugget, a furry little friend
+  // Had a knack for adventure, beyond all comprehend
+
+  return response.text;
+}
+
+// [END googlegenaisdk_textgen_async_with_txt]
+
+module.exports = {
+  generateText,
+};
diff --git a/genai/text-generation/textgen-chat-stream-with-txt.js b/genai/text-generation/textgen-chat-stream-with-txt.js
new file mode 100644
index 0000000000..9276368582
--- /dev/null
+++ b/genai/text-generation/textgen-chat-stream-with-txt.js
@@ -0,0 +1,54 @@
+// Copyright 2025 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
+//
+//     https://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';
+
+// [START googlegenaisdk_textgen_chat_stream_with_txt]
+const {GoogleGenAI} = require('@google/genai');
+
+const GOOGLE_CLOUD_PROJECT = process.env.GOOGLE_CLOUD_PROJECT;
+const GOOGLE_CLOUD_LOCATION = process.env.GOOGLE_CLOUD_LOCATION || 'global';
+
+async function generateText(
+  projectId = GOOGLE_CLOUD_PROJECT,
+  location = GOOGLE_CLOUD_LOCATION
+) {
+  const client = new GoogleGenAI({
+    vertexai: true,
+    project: projectId,
+    location: location,
+  });
+
+  const chatSession = client.chats.create({
+    model: 'gemini-2.5-flash',
+  });
+
+  for await (const chunk of await chatSession.sendMessageStream({
+    message: 'Why is the sky blue?',
+  })) {
+    console.log(chunk.text);
+  }
+  // Example response:
+  // The
+  // sky appears blue due to a phenomenon called **Rayleigh scattering**. Here's
+  // a breakdown of why:
+  // ...
+  return true;
+}
+
+// [END googlegenaisdk_textgen_chat_stream_with_txt]
+
+module.exports = {
+  generateText,
+};
diff --git a/genai/text-generation/textgen-chat-with-txt.js b/genai/text-generation/textgen-chat-with-txt.js
new file mode 100644
index 0000000000..ae81aa9aa5
--- /dev/null
+++ b/genai/text-generation/textgen-chat-with-txt.js
@@ -0,0 +1,61 @@
+// Copyright 2025 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
+//
+//     https://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';
+
+// [START googlegenaisdk_textgen_chat_with_txt]
+const {GoogleGenAI} = require('@google/genai');
+
+const GOOGLE_CLOUD_PROJECT = process.env.GOOGLE_CLOUD_PROJECT;
+const GOOGLE_CLOUD_LOCATION = process.env.GOOGLE_CLOUD_LOCATION || 'global';
+
+async function generateText(
+  projectId = GOOGLE_CLOUD_PROJECT,
+  location = GOOGLE_CLOUD_LOCATION
+) {
+  const client = new GoogleGenAI({
+    vertexai: true,
+    project: projectId,
+    location: location,
+  });
+
+  const chatSession = client.chats.create({
+    model: 'gemini-2.5-flash',
+    history: [
+      {
+        role: 'user',
+        parts: [{text: 'Hello'}],
+      },
+      {
+        role: 'model',
+        parts: [{text: 'Great to meet you. What would you like to know?'}],
+      },
+    ],
+  });
+
+  const response = await chatSession.sendMessage({message: 'Tell me a story.'});
+  console.log(response.text);
+
+  // Example response:
+  // Okay, here's a story for you:
+  // ...
+
+  return response.text;
+}
+
+// [END googlegenaisdk_textgen_chat_with_txt]
+
+module.exports = {
+  generateText,
+};
diff --git a/genai/text-generation/textgen-code-with-pdf.js b/genai/text-generation/textgen-code-with-pdf.js
index 762f4bff19..7211d177bc 100644
--- a/genai/text-generation/textgen-code-with-pdf.js
+++ b/genai/text-generation/textgen-code-with-pdf.js
@@ -20,7 +20,7 @@ const {GoogleGenAI} = require('@google/genai');
 const GOOGLE_CLOUD_PROJECT = process.env.GOOGLE_CLOUD_PROJECT;
 const GOOGLE_CLOUD_LOCATION = process.env.GOOGLE_CLOUD_LOCATION || 'global';
 
-async function generateContent(
+async function generateText(
   projectId = GOOGLE_CLOUD_PROJECT,
   location = GOOGLE_CLOUD_LOCATION
 ) {
@@ -74,5 +74,5 @@ async function generateContent(
 // [END googlegenaisdk_textgen_code_with_pdf]
 
 module.exports = {
-  generateContent,
+  generateText,
 };
diff --git a/genai/text-generation/textgen-config-with-txt.js b/genai/text-generation/textgen-config-with-txt.js
new file mode 100644
index 0000000000..46d4e7b1c4
--- /dev/null
+++ b/genai/text-generation/textgen-config-with-txt.js
@@ -0,0 +1,66 @@
+// Copyright 2025 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
+//
+//     https://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';
+
+// [START googlegenaisdk_textgen_config_with_txt]
+const {GoogleGenAI} = require('@google/genai');
+
+const GOOGLE_CLOUD_PROJECT = process.env.GOOGLE_CLOUD_PROJECT;
+const GOOGLE_CLOUD_LOCATION = process.env.GOOGLE_CLOUD_LOCATION || 'global';
+
+async function generateContent(
+  projectId = GOOGLE_CLOUD_PROJECT,
+  location = GOOGLE_CLOUD_LOCATION
+) {
+  const client = new GoogleGenAI({
+    vertexai: true,
+    project: projectId,
+    location: location,
+  });
+
+  const config = {
+    temperature: 0,
+    candidateCount: 1,
+    responseMimeType: 'application/json',
+    topP: 0.95,
+    topK: 20,
+    seed: 5,
+    maxOutputTokens: 500,
+    stopSequences: ['STOP!'],
+    presencePenalty: 0.0,
+    frequencyPenalty: 0.0,
+  };
+
+  const response = await client.models.generateContent({
+    model: 'gemini-2.5-flash',
+    contents: 'Why is the sky blue?',
+    config: config,
+  });
+
+  console.log(response.text);
+
+  // Example response:
+  // {
+  //   "explanation": "The sky appears blue due to a phenomenon called Rayleigh scattering. When ...
+  // }
+
+  return response.text;
+}
+
+// [END googlegenaisdk_textgen_config_with_txt]
+
+module.exports = {
+  generateContent,
+};
diff --git a/genai/text-generation/textgen-with-mute-video.js b/genai/text-generation/textgen-with-mute-video.js
new file mode 100644
index 0000000000..f2a7805064
--- /dev/null
+++ b/genai/text-generation/textgen-with-mute-video.js
@@ -0,0 +1,65 @@
+// Copyright 2025 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
+//
+//     https://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';
+
+// [START googlegenaisdk_textgen_with_mute_video]
+const {GoogleGenAI} = require('@google/genai');
+
+const GOOGLE_CLOUD_PROJECT = process.env.GOOGLE_CLOUD_PROJECT;
+const GOOGLE_CLOUD_LOCATION = process.env.GOOGLE_CLOUD_LOCATION || 'global';
+
+async function generateText(
+  projectId = GOOGLE_CLOUD_PROJECT,
+  location = GOOGLE_CLOUD_LOCATION
+) {
+  const client = new GoogleGenAI({
+    vertexai: true,
+    project: projectId,
+    location: location,
+  });
+
+  const response = await client.models.generateContent({
+    model: 'gemini-2.5-flash',
+    contents: [
+      {
+        role: 'user',
+        parts: [
+          {
+            fileData: {
+              mimeType: 'video/mp4',
+              fileUri:
+                'gs://cloud-samples-data/generative-ai/video/ad_copy_from_video.mp4',
+            },
+          },
+          {
+            text: 'What is in the video?',
+          },
+        ],
+      },
+    ],
+  });
+
+  console.log(response.text);
+
+  // Example response:
+  // The video shows several people surfing in an ocean with a coastline in the background. The camera ...
+
+  return response.text;
+}
+// [END googlegenaisdk_textgen_with_mute_video]
+
+module.exports = {
+  generateText,
+};