def create_spot_datafeed_subscription(DryRun=None, Bucket=None, Prefix=None):
    """
    Creates a data feed for Spot instances, enabling you to view Spot instance usage logs. You can create one data feed per AWS account. For more information, see Spot Instance Data Feed in the Amazon Elastic Compute Cloud User Guide .
    See also: AWS API Documentation
    
    Examples
    This example creates a Spot Instance data feed for your AWS account.
    Expected Output:
    
    :example: response = client.create_spot_datafeed_subscription(
        DryRun=True|False,
        Bucket='string',
        Prefix='string'
    )
    
    
    :type DryRun: boolean
    :param DryRun: Checks whether you have the required permissions for the action, without actually making the request, and provides an error response. If you have the required permissions, the error response is DryRunOperation . Otherwise, it is UnauthorizedOperation .

    :type Bucket: string
    :param Bucket: [REQUIRED]
            The Amazon S3 bucket in which to store the Spot instance data feed.
            

    :type Prefix: string
    :param Prefix: A prefix for the data feed file names.

    :rtype: dict
    :return: {
        'SpotDatafeedSubscription': {
            'OwnerId': 'string',
            'Bucket': 'string',
            'Prefix': 'string',
            'State': 'Active'|'Inactive',
            'Fault': {
                'Code': 'string',
                'Message': 'string'
            }
        }
    }
    
    
    """
    pass
