'Retrieve information about a single domain.
:param domain_id: ID of domain to retrieve information for.
:type domain_id: ``str``
:rtype: :class:`.OpenStackIdentityDomain`'

def get_domain(self, domain_id):

    response = self.authenticated_request(('/v3/domains/%s' % domain_id), method='GET')
    result = self._to_domain(data=response.object['domain'])
    return result
