def METHOD_NAME(change):
    owner = change['owner']
    newval = change['new']
    name = owner.description
    option = _dict[name]
    # if it's an arbitrary list, parse lines of text
    if option['types'] is list and option['values'] is None:
        newval = newval.strip().split('\n')
    try:
        option['val'] = newval
    except ValueError as err:
        print(str(err))