def index_documents(DomainName=None):
    """
    Tells the search domain to start indexing its documents using the latest indexing options. This operation must be invoked to activate options whose  OptionStatus is RequiresIndexDocuments .
    See also: AWS API Documentation
    
    
    :example: response = client.index_documents(
        DomainName='string'
    )
    
    
    :type DomainName: string
    :param DomainName: [REQUIRED]
            A string that represents the name of a domain. Domain names are unique across the domains owned by an account within an AWS region. Domain names start with a letter or number and can contain the following characters: a-z (lowercase), 0-9, and - (hyphen).
            

    :rtype: dict
    :return: {
        'FieldNames': [
            'string',
        ]
    }
    
    
    """
    pass
