efs()

efs()

efs( pathToEFS, [, seriesIndex] [, sym/inv] [, parameters] )

New in EFS2. Returns a series object representing a specific seriesIndex value as calculated from the given external EFS script.

Parameters

pathToEFS	the path and filename of the EFS script to call
seriesIndex	optional. index into array of return values. defaults to 0.
sym/inv	optional. if used, the external EFS will be loaded into the specified symbol or interval's context
parameters	optional. parameters, if any, required by the EFS script you are calling

Usage

function main() {

var myVar;

...

//call an external EFS called "myCustomEFS.efs" and load it into

//the context of IBM 15-min bars. we also pass two parameters

//to the script.

myVar = efs( "myCustomEFS.efs", 0, sym( "IBM,15" ), 20, 5 );

}