# File lib/fog/aws/models/iam/group.rb, line 63
        def save
          if !persisted?
            requires :name

            merge_attributes(
              service.create_group(self.name, self.path).body["Group"]
            )
          else
            params = {}

            if self.name
              params['NewGroupName'] = self.name
            end

            if self.path
              params['NewPath'] = self.path
            end

            service.update_group(self.name, params)
            true
          end
        end