id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
access_offer_letter_user,offer.letter.user,model_offer_letter,base.group_user,1,1,1,0
access_offer_letter_manager,offer.letter.manager,model_offer_letter,hr.group_hr_manager,1,1,1,1