get_metadata_raw() calls the metadata API.
Be aware that this function will still return a value and not throw an error if the indicator does not exist.
get_metadata_raw(indicator, lang = "PT")API response body as list. Returns NULL with an informative message if no internet connection, timeout or HTTP error.
INE indicator ID as a 7 character string. Example: "0010003".
Only "PT" implemented.
is_indicator_valid() can be used to check if the indicator is valid before calling this function.