This same way like Gekko cli. In config file of backtesttool is some examples like this:
Just edit backtest.pl file by text editor.
Code:
config.RSI_BULL_BEAR_ADX = {
SMA_long: 1000,
SMA_short: 50,
BULL_RSI: 10,
BULL_RSI_high: 80,
BULL_RSI_low: 60,
BEAR_RSI: 15,
BEAR_RSI_high: 50,
BEAR_RSI_low: 20,
BULL_MOD_high: 5,
BULL_MOD_low: -5,
BEAR_MOD_high: 15,
BEAR_MOD_low: -5,
ADX: 3,
ADX_high: 70,
ADX_low: 50
};