text: exports.handler = async function (event, context, callback) {
    const res = (JSON.stringify({
      event, context, callback,
    }, null, 2));
  
    callback(null, {
      statusCode: 200,
      body: res,
      isBase64Encoded: false,
      multiValueHeaders: {
        'Content-Type': 'application/json',
      },
    });
  };
  