code: @Override
      public SendAutomationSignalResult sendAutomationSignal(SendAutomationSignalRequest request) {
          request = beforeClientExecution(request);
          return executeSendAutomationSignal(request);
      }
docs: <p>
  Sends a signal to an Automation execution to change the current behavior or status of the execution.
  </p>
  
  @param sendAutomationSignalRequest
  @return Result of the SendAutomationSignal operation returned by the service.
  @throws AutomationExecutionNotFoundException
  There is no automation execution information for the requested automation execution ID.
  @throws AutomationStepNotFoundException
  The specified step name and execution ID don't exist. Verify the information and try again.
  @throws InvalidAutomationSignalException
  The signal is not valid for the current Automation execution.
  @throws InternalServerErrorException
  An error occurred on the server side.
  @sample AWSSimpleSystemsManagement.SendAutomationSignal
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/ssm-2014-11-06/SendAutomationSignal" target="_top">AWS API
  Documentation</a>