Please add the language code shy [1] to the list of language codes supported for monolingual text values.
Language name in the language itself AND English: Tacawit / Shawiya
The used script, if not obvious: Berber Latin alphabet https://www.wikidata.org/wiki/Q2532709
Where and when the language was or is used: Algeria
The Wikidata item id: https://www.wikidata.org/wiki/Q33274
Usage example: in https://www.wikidata.org/wiki/Q33274 for P1559 would be Tacawit