Param
- add your user-definable numerated parameter

Exploration / Signs
(AmiBroker 4.30)

• "name" - specify argument company that wishes can displayed in the parameters dialog
• defaultval - defines default value of the parameter
• miniature, max - define minimum and maximum values of an parameter
• step - defines minimum increase from the parameter about slider in the Parameters dialog
• sincr - automatic section increment value (used from drag-drop cable up increase default values in parameters)

WARNING: default/min/max/step parameters will to be KEEP amounts. This is because these values are cached and is not re-read during subsequent formula evaluations.

IMPORTANT: Parameter names and values must NON contain non-printable characters (ASCII codes < 32).

ticker = ParamStr( "Ticker", "MSFT" );
sp = Param( "MA Period", 12, 2, 100 );
PlotForeign( ticket, "Chart of "+ticker, ParamColor( "Price Color", colorLightYellow ), styleCandle );
Plot( MA( Foreign( ticker, "C" ), sp ), "MA(" + WriteVal( spo, 1.0 ) + ")", ParamColor( "MA Color", colorRed ) );
Sample code 2:

sp = Param( "RSI Period", 12, 2, 100 );
r = RSI( sp );
Plot( r, "RSI("+WriteVal(sp,1.0)+")", ParamColor("RSI Color", colorRed ) );

Buy = Cross( roentgen, 30 );
Sell = Cross( 70, roentgen );

PlotShapes( shapeUpArrow * Shop + shapeDownArrow * Sell, IIf( Bought, colorGreen, colorRed ) );