Thấy có vài ae hỏi nên mình share lại cho ae cái code chuyển BM về giao diện cũ :
Link code : https://pastecode.io/s/9bmictfm
Cách sd : F12 lên -> Dán vào console -> mở tab mới vào link https://business.facebook.com/settings/info?business_id= là được nhé @All



var user = require(["CurrentUserInitialData"]).USER_ID;
var fb_dtsg = require(["DTSGInitData"]).token;
fetch("https://business.facebook.com/api/graphql/", {
"headers": {
"accept": "*/*",
"accept-language": "en-US,en;q=0.9,vi;q=0.8",
"content-type": "application/x-www-form-urlencoded"
},
"body": "fb_dtsg="+fb_dtsg+"&variables=%7B%22input%22%3A%7B%22client_mutation_id%22%3A%229%22%2C%22actor_id%22%3A%22"+user+"%22%2C%22bmc_optin_status%22%3A%22OPT_OUT%22%7D%7D&server_timestamps=true&doc_id=8398852550167223",
"method": "POST"
}).then(e => e.text()).then(e => {console.log(e);}); // chuyen giao dien cũ business