i found this from source code of web sdk. this is not mentioned in docs or api reference https://cdn.discordapp.com/attachments/1211484481848873020/1251954397571715122/image.png?ex=667074e4&is=666f2364&hm=42c20e7a6bf283b6e5978e3585dd53d147adfa7a10423b88342537cb31da56de&