diff --git a/contact-center-insights/setProjectTtl.js b/contact-center-insights/setProjectTtl.js
new file mode 100644
index 0000000000..d3c2b02a88
--- /dev/null
+++ b/contact-center-insights/setProjectTtl.js
@@ -0,0 +1,55 @@
+// Copyright 2021 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';
+
+function main(projectId) {
+  // [START contactcenterinsights_set_project_ttl]
+  /**
+   * TODO(developer): Uncomment this variable before running the sample.
+   */
+  // const projectId = 'my_project_id';
+
+  // Imports the Contact Center Insights client.
+  const {
+    ContactCenterInsightsClient,
+  } = require('@google-cloud/contact-center-insights');
+
+  // Instantiates a client.
+  const client = new ContactCenterInsightsClient();
+
+  async function setProjectTtl() {
+    await client.updateSettings({
+      settings: {
+        name: client.settingsPath(projectId, 'us-central1'),
+        conversationTtl: {
+          seconds: 86400,
+        },
+      },
+      updateMask: {
+        paths: ['conversation_ttl'],
+      },
+    });
+    console.info('Set TTL for all incoming conversations to 1 day');
+  }
+  setProjectTtl();
+  // [END contactcenterinsights_set_project_ttl]
+}
+
+process.on('unhandledRejection', err => {
+  console.error(err.message);
+  process.exitCode = 1;
+});
+main(...process.argv.slice(2));
diff --git a/contact-center-insights/test/setProjectTtl.test.js b/contact-center-insights/test/setProjectTtl.test.js
new file mode 100644
index 0000000000..614e0b5a86
--- /dev/null
+++ b/contact-center-insights/test/setProjectTtl.test.js
@@ -0,0 +1,55 @@
+// Copyright 2021 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 {after, before, describe, it} = require('mocha');
+const cp = require('child_process');
+const execSync = cmd => cp.execSync(cmd, {encoding: 'utf-8'});
+
+const {
+  ContactCenterInsightsClient,
+} = require('@google-cloud/contact-center-insights');
+const client = new ContactCenterInsightsClient();
+
+describe('SetProjectTtl', () => {
+  let projectId;
+
+  before(async () => {
+    projectId = await client.getProjectId();
+  });
+
+  after(async () => {
+    // Clears project-level TTL.
+    await client.updateSettings({
+      settings: {
+        name: client.settingsPath(projectId, 'us-central1'),
+        conversationTtl: {},
+      },
+      updateMask: {
+        paths: ['conversation_ttl'],
+      },
+    });
+  });
+
+  it('should set a project-level TTL', async () => {
+    const stdout = execSync(`node ./setProjectTtl.js ${projectId}`);
+    assert.match(
+      stdout,
+      new RegExp('Set TTL for all incoming conversations to 1 day')
+    );
+  });
+});