RCM SUPLLY -HOW TO SHOW IN GST R 1

BANK COLLECTION AGENCY PROVING SERVICES TO BANKS WHICH COMES UNDER RCM SUPPLY.

WHEN FILE GSTR-1 , "SUPPLY ATTRACTS REVERSE CHARGE IS ENABLED" BUT WHAT TO SHOULD WE IN " Total invoice" and Taxable Value.

i.e Service provided Rs 10000/-

how to in gstr-1 "Total invoice value"  = 10000 or 10000 plus 18% GST = 11800/-

and Taxable value = 10000 and tax  column 18%

please clarify