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The AWS SDK for JavaScript V3 API Reference Guide describes in detail all the API operations for the AWS SDK for JavaScript version 3 (V3).

Using async/await

Rather than using promises, you should consider using async/await. Async functions are simpler and take less boilerplate than using promises. Await can only be used in an async function to asynchronously wait for a value.

The following example uses async/await to list all of your Amazon DynamoDB tables in us-west-2.

(async function () {
  const DDB = require("@aws-sdk/client-dynamodb");
  const dbClient = new DDB.DynamoDBClient({ region: "us-west-2" });
  const command = new DDB.ListTablesCommand({});

  try {
    const results = await dbClient.send(command);
    console.log(results.TableNames.join('\n'));
  } catch (err) {
    console.error(err)
  }
})();