code: @Override
      public CreateEventSourceMappingResult createEventSourceMapping(CreateEventSourceMappingRequest request) {
          request = beforeClientExecution(request);
          return executeCreateEventSourceMapping(request);
      }
docs: <p>
  Creates a mapping between an event source and an AWS Lambda function. Lambda reads items from the event source
  and triggers the function.
  </p>
  <p>
  For details about each event source type, see the following topics.
  </p>
  <ul>
  <li>
  <p>
  <a href="https://docs.aws.amazon.com/lambda/latest/dg/with-kinesis.html">Using AWS Lambda with Amazon Kinesis</a>
  </p>
  </li>
  <li>
  <p>
  <a href="https://docs.aws.amazon.com/lambda/latest/dg/with-sqs.html">Using AWS Lambda with Amazon SQS</a>
  </p>
  </li>
  <li>
  <p>
  <a href="https://docs.aws.amazon.com/lambda/latest/dg/with-ddb.html">Using AWS Lambda with Amazon DynamoDB</a>
  </p>
  </li>
  </ul>
  
  @param createEventSourceMappingRequest
  @return Result of the CreateEventSourceMapping operation returned by the service.
  @throws ServiceException
  The AWS Lambda service encountered an internal error.
  @throws InvalidParameterValueException
  One of the parameters in the request is invalid. For example, if you provided an IAM role for AWS Lambda
  to assume in the <code>CreateFunction</code> or the <code>UpdateFunctionConfiguration</code> API, that
  AWS Lambda is unable to assume you will get this exception.
  @throws ResourceConflictException
  The resource already exists.
  @throws TooManyRequestsException
  Request throughput limit exceeded.
  @throws ResourceNotFoundException
  The resource (for example, a Lambda function or access policy statement) specified in the request does
  not exist.
  @sample AWSLambda.CreateEventSourceMapping
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/lambda-2015-03-31/CreateEventSourceMapping"
  target="_top">AWS API Documentation</a>