def create_application(applicationName=None):
    """
    Creates an application.
    See also: AWS API Documentation
    
    
    :example: response = client.create_application(
        applicationName='string'
    )
    
    
    :type applicationName: string
    :param applicationName: [REQUIRED]
            The name of the application. This name must be unique with the applicable IAM user or AWS account.
            

    :rtype: dict
    :return: {
        'applicationId': 'string'
    }
    
    
    """
    pass
