def describe_create_account_status(CreateAccountRequestId=None):
    """
    Retrieves the current status of an asynchronous request to create an account.
    This operation can be called only from the organization's master account.
    See also: AWS API Documentation
    
    
    :example: response = client.describe_create_account_status(
        CreateAccountRequestId='string'
    )
    
    
    :type CreateAccountRequestId: string
    :param CreateAccountRequestId: [REQUIRED]
            Specifies the operationId that uniquely identifies the request. You can get the ID from the response to an earlier CreateAccount request, or from the ListCreateAccountStatus operation.
            The regex pattern for an create account request ID string requires 'car-' followed by from 8 to 32 lower-case letters or digits.
            

    :rtype: dict
    :return: {
        'CreateAccountStatus': {
            'Id': 'string',
            'AccountName': 'string',
            'State': 'IN_PROGRESS'|'SUCCEEDED'|'FAILED',
            'RequestedTimestamp': datetime(2015, 1, 1),
            'CompletedTimestamp': datetime(2015, 1, 1),
            'AccountId': 'string',
            'FailureReason': 'ACCOUNT_LIMIT_EXCEEDED'|'EMAIL_ALREADY_EXISTS'|'INVALID_ADDRESS'|'INVALID_EMAIL'|'INTERNAL_FAILURE'
        }
    }
    
    
    """
    pass
