'Creates a new search domain. For more information, see
`Creating a Search Domain`_ in the Amazon CloudSearch
Developer Guide .
:type domain_name: string
:param domain_name: A name for the domain you are creating. Allowed
characters are a-z (lower-case letters), 0-9, and hyphen (-).
Domain names must start with a letter or number and be at least 3
and no more than 28 characters long.'

def create_domain(self, domain_name):

    params = {'DomainName': domain_name}
    return self._make_request(action='CreateDomain', verb='POST', path='/', params=params)
