    def get(self, alias=None, %(headers_method_params_str)sid=None):
%(docs)s
        url = '%(url)s'

        if id:
            try :
                return %(resource_type)s(
                    self.__getProxy().get(url=UrlHelper.append(url, id),
                    headers=%(headers_map_params_str)s),
                    self.context
                )
            except RequestError, err:
                if err.status and err.status == 404:
                    return None
                raise err
        elif alias:
            result = self.__getProxy().get(
                url=SearchHelper.appendQuery(url, {'search:query':'alias='+alias}),
                headers=%(headers_map_params_str)s
            ).get_%(resource_name_lc)s()

            return %(resource_type)s(
                        FilterHelper.getItem(
                            result,
                            query="alias=" + alias
                        ),
                        self.context
            )
        else:
            raise MissingParametersError(['id', 'alias'])

