# File lib/rbrainz/webservice/webservice.rb, line 125
      def post(entity_type, options={ :id=>nil, :params=>[], :version=>1 })
        Utils.check_options options, :id, :params, :version
        uri = create_uri(entity_type, options)
        response = open_connection_and_make_request(uri, :post, options[:params])
        return response
      end