Creates a Colour Fill Adjustment Layer within a pre-processing script

psAdjColourFill.jsx

function psAdjColourFill(layerName,r,g,b){
    cTID = function(s) { return app.charIDToTypeID(s); }; 
    sTID = function(s) { return app.stringIDToTypeID(s); };

    psNewLayer(layerName,null,null,null);
    
    var descACF1 = new ActionDescriptor();
        var refACF1 = new ActionReference();
        refACF1.putClass(sTID("contentLayer"));
        descACF1.putReference(cTID("null"), refACF1);
            var descACF2 = new ActionDescriptor();
                descACF2.putString(cTID("Nm  "), """background""");
                var descACF3 = new ActionDescriptor();
                    var descACF4 = new ActionDescriptor();
                        descACF4.putDouble(cTID("Rd  "), r);
                        descACF4.putDouble(cTID("Grn "), g);
                        descACF4.putDouble(cTID("Bl  "), b);
                descACF3.putObject(cTID("Clr "), cTID("RGBC"), descACF4);
            descACF2.putObject(cTID("Type"), sTID("solidColorLayer"), descACF3);
    descACF1.putObject(cTID("Usng"), sTID("contentLayer"), descACF2);
    executeAction(cTID("Mk  "), descACF1, DialogModes.NO);
}