PeakBack - Fibonacci retracements are calculated on peaks. This value specifies how many peaks to use for the search. Starting from the most recent.
BarsBack - This value specifies how many price bars to use for checking if the price has touched a fibonacci level. If this value is 1 then only those fibonacci retracement patterns with the current price touching a fibonacci support level will be found.
Threshold - Percent value that determines if the price has touched a fibonacci level.
Trendsize - Percent change in price for this point to be considered a peak.