var idMk = charIDToTypeID( "Mk  " );
    var desc23 = new ActionDescriptor();
    var idnull = charIDToTypeID( "null" );
        var ref6 = new ActionReference();
        var idcontentLayer = stringIDToTypeID( "contentLayer" );
        ref6.putClass( idcontentLayer );
    desc23.putReference( idnull, ref6 );
    var idUsng = charIDToTypeID( "Usng" );
        var desc24 = new ActionDescriptor();
        var idType = charIDToTypeID( "Type" );
            var desc25 = new ActionDescriptor();
            var idClr = charIDToTypeID( "Clr " );
                var desc26 = new ActionDescriptor();
                var idRd = charIDToTypeID( "Rd  " );
                desc26.putDouble( idRd, 255.000000 );
                var idGrn = charIDToTypeID( "Grn " );
                desc26.putDouble( idGrn, 255.000000 );
                var idBl = charIDToTypeID( "Bl  " );
                desc26.putDouble( idBl, 255.000000 );
            var idRGBC = charIDToTypeID( "RGBC" );
            desc25.putObject( idClr, idRGBC, desc26 );
        var idsolidColorLayer = stringIDToTypeID( "solidColorLayer" );
        desc24.putObject( idType, idsolidColorLayer, desc25 );
    var idcontentLayer = stringIDToTypeID( "contentLayer" );
    desc23.putObject( idUsng, idcontentLayer, desc24 );
executeAction( idMk, desc23, DialogModes.NO );