atrr_manual.face

controller.rb

class YourController < ApplicationController
	def new
	@model = YourModel.new
	end

	def create
		#set from the views
		@model = YourModel.new(params[:model])
		#set manual
		@model.anything= '...'
		if @model.save
			redirect_to @model,
		else
			render action: :new
		end
	end
end