Indicator displays arrows at the bars when positions was opened/close on the given account/currency pair.
Beside standard function "Show Trading History", which displays only positions from "Closed Trades" table, TRADING_HISTORY indicator retrieves information with help of report api library.
Using of report api library allows to retrive information about any amount of closed positions (up to account creation time).
Compare, standard function:
And "Trading History" indicator:
Indicator requires LuaLib libraries to be installed.