Q811
From GeoGebra Manual
{"label":{"en-gb":"Reflect about Plane Tool"},"description":[],"aliases":[],"claims":[],"links":{"ggen":"Reflect about Plane Tool","ggit":"Strumento Simmetria planare","ggfr":"Outil Sym\u00e9trie plane","gges":"Herramienta de Simetr\u00eda Especular","ggde":"Spiegle an Ebene (Werkzeug)"},"entity":["item",811]}