ruby on rails - argument can not pass in to factorygirl -

i pass argument in factorygirl, shows error. code is

when /^i create (\d+) companies , company "([^"]*)" "([^"]*)"$/ |n,arg1,arg2|   create_companies n.to_i   click_on("companies")   companies = factorygirl.create(:company, arg1: "#{arg2}", sub: 123)     companies.save_profile end 

i passing arg1 in facorygirl. show error as

undefined method `arg1=' #<company:0x0000000c150ed0> (nomethoderror) 

how may pass arg1 factorygirl.

thanks answer.