I tried:
from xbbg import blp
blp.bdh("AAPL US Equity", "BEST_Sales" , "BEST_FPERIOD_OVERRIDE", "2GY", "2021-08-01")
And
blp.bdh(tickers='AAPL US Equity', flds=['BEST_Sales', "BEST_FPERIOD_OVERRIDE", "2GY"], start_date='2018-10-10')
It doesn't work. Can you help me?
blp.bdh('AAPL US Equity', 'BEST_Sales', "2021-08-01", BEST_FPERIOD_OVERRIDE="2GY")