Filemaker script

I need a script that can auto enter values (I think using loop function??) e.g. I already have a script that put normal references fields values for each test, according to the Laboratory name selected..but I'm putting each lab values manually in the script..I need a new one that could automatically add each new lab and its ref. values to the script by itself once i has been used..so that the next time I select this lab, its ref. values enter automaticlly in the corrosponding fields