// Import the Secret Manager client and instantiate it:
  const {SecretManagerServiceClient} = require('@google-cloud/secret-manager');
  const client = new SecretManagerServiceClient();

  /**
   * TODO(developer): Uncomment these variables before running the sample.
   */
  // parent = 'projects/my-project', // Project for which to manage secrets.
  // secretId = 'foo', // Secret ID.
  // payload = 'hello world!' // String source data.

  async function createAndAccessSecret() {
    // Create the secret with automation replication.
    const [secret] = await client.createSecret({
      parent: parent,
      secret: {
        name: secretId,
        replication: {
          automatic: {},
        },
      },
      secretId,
    });

    console.info(`Created secret ${secret.name}`);

    // Add a version with a payload onto the secret.
    const [version] = await client.addSecretVersion({
      parent: secret.name,
      payload: {
        data: Buffer.from(payload, 'utf8'),
      },
    });

    console.info(`Added secret version ${version.name}`);

    // Access the secret.
    const [accessResponse] = await client.accessSecretVersion({
      name: version.name,
    });

    const responsePayload = accessResponse.payload.data.toString('utf8');
    console.info(`Payload: ${responsePayload}`);
  }
  createAndAccessSecret();