A 12 character NUTS id code of parent unit.
Use search_units to find unit id code.
sort
A type of sorting, "id" (default), "-id", "name", "-name"
lang
A language of returned data, "pl" (default), "en"
...
Other arguments passed on to GET. For example
a proxy parameters, see details.
Details
To use a proxy to connect, a use_proxy can be
passed to GET. For example
get_request(id, filters,
config = httr::use_proxy(url, port, username, password)).