# File lib/compass/sass_extensions/functions/gradient_support.rb, line 334
    def grad_end_position(color_list, radial = Sass::Script::Bool.new(false))
      assert_type color_list, :List
      default = Sass::Script::Number.new(100)
      grad_position(color_list, Sass::Script::Number.new(color_list.value.size), default, radial)
    end