Add multiple layer effects by action manager

Question

I made two function, one for creating a stroke and one for creating an outerglow effect.They work fine if you only need one effect, but when you need a stroke and outerglow effect, the previous effect is removed. I checked scriptlistener to see what happends when I manually apply a outerglow when it already has a stroke, and it seems like it also includes all stroke effect parameters...Is there a way I can change my functions so they will add effects instead of replacing? This is the code I'm using...function initializeActionmanagerIDs(){
    
    PSClass = function() {};
    PSEnum = function() {};
    PSEvent = function() {};
    PSForm = function() {};
    PSKey = function() {};
    PSType = function() {};
    PSUnit = function() {};
    PSString = function() {};
    
    PSClass.Version = cTID('Vrsn');
    PSClass.Pixel = cTID('Pxel');
    PSClass.Offset = cTID('Ofst');
    PSClass.Channel = cTID('Chnl');
    PSClass.Mask = cTID('Msk ');
    //PSClass.MenuItem = cTID('Mn ');
    PSClass.AdjustmentLayer = cTID('AdjL');
    PSClass.Color = cTID('Clr ');
    PSClass.Curves = cTID('Crvs');
    PSClass.CurvesAdjustment = cTID('CrvA');
    //PSClass.PaintbrushTool = cTID('PbTl');
    PSClass.Point = cTID('Pnt ');
    PSClass.Document = cTID('Dcmn');
    PSClass.Layer = cTID('Lyr ');
    PSClass.LayerEffects = cTID('Lefx');
    PSClass.Property = cTID('Prpr');
    PSClass.RGBColor = cTID('RGBC');
    PSClass.ShapingCurve = cTID('ShpC');
    PSClass.Application = cTID('capp');
    PSClass.CurvePoint = cTID('CrPt');
    PSClass.OuterGlow = cTID('OrGl');
    
    PSEnum.Transparency = cTID('Trsp');
    PSEnum.MergedLayers = cTID('Mrg2');
    PSEnum.RevealAll = cTID('RvlA');
    PSEnum.QCSAverage = cTID('Qcsa');
    PSEnum.Bilinear = cTID('Blnr');
    PSEnum.NearestNeighbor = cTID('Nrst');
    PSEnum.Bicubic = cTID('Bcbc');
    //PSEnum.FitOnScreen = cTID('FtOn');
    PSEnum.None = cTID('None');
    PSEnum.Blue = cTID('Bl  ');
    PSEnum.Composite = cTID('Cmps');
    PSEnum.Green = cTID('Grn ');
    PSEnum.Red = cTID('Rd  ');
    PSEnum.Target = cTID('Trgt');
    PSEnum.All = cTID('Al  ');
    PSEnum.AntiAliasNone = cTID('Anno');
    //PSEnum.Center = cTID('Cntr');
    //PSEnum.Darken = cTID('Drkn');
    //PSEnum.First = cTID('Frst');
    //PSEnum.InnerBevel = cTID('InrB')
    //PSEnum.Multiply = cTID('Mltp');
    PSEnum.Normal = cTID('Nrml');
    //PSEnum.Outside = cTID('Otsd');
    //PSEnum.Screen = cTID('Scrn');
    PSEnum.SoftMatte = cTID('SfBL');
    //PSEnum.StampIn = cTID('In  ');
    //PSEnum.White = cTID('Wht ');
    PSEnum.Add = cTID('Add ');
    PSEnum.RevealSelection = cTID('RvlS');
    PSEnum.RGB = cTID('RGB ');
    PSEnum.Pattern = cTID('Ptrn');
    PSEnum.InsetFrame = cTID('InsF');
    PSEnum.SolidColor = cTID('SClr');
    PSEnum.Linked = cTID('Lnkd');
    PSEnum.Background = cTID('Bckg');
    
    PSEvent.FullySelected = cTID('fsel');
    PSEvent.CopyMerged = cTID('CpyM');
    PSEvent.Place = cTID('Plc ');
    PSEvent.FlattenImage = cTID('FltI');
    PSEvent.Intersect = cTID('Intr');
    PSEvent.ImageSize = cTID('ImgS');
    PSEvent.GaussianBlur = cTID('GsnB');
    PSEvent.MotionBlur = cTID('MtnB');
    PSEvent.Crop = cTID('Crop');
    PSEvent.Select = cTID('slct');
    PSEvent.Set = cTID('setd');
    PSEvent.Invert = cTID('Invr');
    //PSEvent.Exchange = cTID('Exch');
    PSEvent.Make = cTID('Mk  ');
    //PSEvent.Reset = cTID('Rset');
    //PSEvent.Contract = cTID('Cntc');
    PSEvent.Copy = cTID('copy');
    PSEvent.Duplicate = cTID('Dplc');
    PSEvent.Fill = cTID('Fl  ');
    PSEvent.Paste = cTID('past');
    //PSEvent.Stroke = cTID('Strk');
    PSEvent.Delete = cTID('Dlt ');
    PSEvent.Group = cTID('GrpL');
    
    PSForm.Identifier = cTID('Idnt');
    
    PSKey.UserMaskEnabled = cTID('UsrM');
    PSKey.At = cTID('At  ');
    PSKey.New = cTID('Nw  ');
    PSKey.FreeTransformCenterState = cTID('FTcs');
    PSKey.ClippingPath = cTID('ClPt');
    PSKey.PageNumber = cTID('PgNm');
    PSKey.As = cTID('As  ');
    PSKey.InterfacePaletteFill = cTID('IntP');
    PSKey.InterfaceIconFrameDimmed = cTID('Intr');
    PSKey.Angle = cTID('Angl');
    PSKey.Amount = cTID('Amnt');
    PSKey.Blur = cTID('blur');
    PSKey.HighlightMode = cTID('hglM');
    PSKey.Radius = cTID('Rds ');
    PSKey.ShadowMode = cTID('sdwM');
    PSKey.Threshold = cTID('Thsh');
    PSKey.Width = cTID('Wdth');
    PSKey.Height = cTID('Hght'); // Resize
    //PSKey.To = cTID('T ');
    PSKey.Adjustment = cTID('Adjs');
    //PSKey.Colors = cTID('Clrs');
    PSKey.Curve = cTID('Crv ');
    PSKey.Horizontal = cTID('Hrzn');
    PSKey.Type = cTID('Type');
    PSKey.Using = cTID('Usng');
    PSKey.Vertical = cTID('Vrtc');
    PSKey.AntiAlias = cTID('AntA');
    //PSKey.BevelDirection = cTID('bvlD');
    //PSKey.BevelEmboss = cTID('ebbl');
    //PSKey.BevelStyle = cTID('bvlS');
    //PSKey.BevelTechnique = cTID('bvlT');
    //PSKey.Blue = cTID('Bl  ');
    //PSKey.By = cTID('By  ');
    PSKey.ChokeMatte = cTID('Ckmt');
    //PSKey.Distance = cTID('Dstn');
    //PSKey.DropShadow = cTID('DrSh');
    PSKey.Enabled = cTID('enab');
    //PSKey.GlobalLightingAngle = cTID('gagl');
    //PSKey.Green = cTID('Grn ');
    //PSKey.HighlightColor = cTID('hglC');
    PSKey.HighlightOpacity = cTID('hglO');
    //PSKey.LocalLightingAltitude = cTID('Lald');
    //PSKey.LocalLightingAngle = cTID('lagl');
    //PSKey.LocalLightingAngle = cTID('lagl');
    //PSKey.Location = cTID('Lctn');
    PSKey.Mode = cTID('Md  ');
    PSKey.Name = cTID('Nm  ');
    PSKey.Noise = cTID('Nose');
    PSKey.DocumentID = cTID('DocI');
    PSKey.Opacity = cTID('Opct');
    //PSKey.Relative = cTID('Rltv');
    PSKey.Scale = cTID('Scl ');
    //PSKey.ShadowColor = cTID('sdwC');
    //PSKey.ShadowOpacity = cTID('sdwO');
    //PSKey.Softness = cTID('Sftn');
    //PSKey.StrengthRatio = cTID('srgR'); 
    PSKey.TransparencyShape = cTID('TrnS');
    //PSKey.UseGlobalAngle = cTID('uglg');
    PSKey.To = cTID('T   ');
    PSKey.LayerID = cTID('LyrI');
    PSKey.MakeVisible = cTID('MkVs');
    PSKey.Apply = cTID('Aply');
    PSKey.FrameFX = cTID('FrFX');
    PSKey.Style = cTID('Styl');
    PSKey.PaintType = cTID('PntT');
    PSKey.SizeKey = cTID('Sz  ');
    //PSKey.LinkEnable = cTID('SlnkE');
    PSKey.Append = cTID('Appe');
    PSKey.GlowTechnique = cTID('GlwT');
    PSKey.ShadingNoise = cTID('ShdN');
    
    PSString.bicubicSharper = sTID('bicubicSharper');
    PSString.bicubicSmoother = sTID('bicubicSmoother');
    PSString.deepUpscale = sTID('deepUpscale');
    PSString.preserveDetailsUpscale = sTID('preserveDetailsUpscale');
    PSString.automaticBestFit = sTID('automaticInterpolation');
    PSString.blurType = sTID('blurType');
    PSString.lensBlur = sTID('lensBlur');
    PSString.moreAccurate = sTID('moreAccurate');
    PSString.preset = sTID('preset');
    PSString.smartSharpen = sTID('smartSharpen');
    PSString.Null = sTID('null');
    //PSString.selection = sTID('selection');
    PSString.presetKind = sTID('presetKind');
    PSString.presetKindCustom = sTID('presetKindCustom');
    PSString.presetKindDefault = sTID('presetKindDefault');
    PSString.presetKindType = sTID('presetKindType');
    PSString.AntialiasGloss = sTID('antialiasGloss');
    PSString.canvasExtensionColorType = sTID('canvasExtensionColorType');
    PSString.layerConceals = sTID('layerConceals');
    PSString.useShape = sTID('useShape');
    PSString.useTexture = sTID('useTexture');
    PSString.pdfSelection = sTID('pdfSelection');
    PSString.page = sTID('page');
    PSString.cropTo = sTID('cropTo');
    PSString.boundingBox = sTID('boundingBox');
    PSString.suppressWarnings = sTID('suppressWarnings');
    PSString.PDFGenericFormat = sTID('PDFGenericFormat');
    PSString.selection = sTID('selection');
    PSString.selectAllLayers = sTID('selectAllLayers');
    PSString.hasUserMask = sTID('hasUserMask');
    PSString.hasVectorMask = sTID('hasVectorMask');
    PSString.black = sTID('black');
    PSString.white = sTID('white');
    PSString.opacity = sTID('opacity');
    PSString.percentUnit = sTID('percentUnit');
    PSString.mode = sTID('mode');
    PSString.blendMode = sTID('blendMode');
    PSString.normal = sTID('normal');
    PSString.fill = sTID('fill');
    PSString.contentLayer = sTID('contentLayer');
    PSString.patternLayer = sTID('patternLayer');
    PSString.disableLayerStyle = sTID('disableLayerStyle');
    PSString.showInDialog = sTID('showInDialog');
    PSString.present = sTID('present');
    PSString.overprint = sTID('overprint');
    PSString.layerEffects = sTID('layerEffects');
    PSString.name = sTID('name');
    PSString.InputRange = sTID('Inpr');
    
    PSString.linked = sTID('linked');
    PSString.linkedLayerIDs = sTID('linkedLayerIDs');
    PSString.filterMaskLinked = sTID('filterMaskLinked');
    PSString.layerSetFromLinkedEvent = sTID('layerSetFromLinkedEvent');
    PSString.selectLinkedLayers = sTID('selectLinkedLayers');
    PSString.toLinked = sTID('toLinked');
    PSString.link = sTID('link');
    PSString.linkSelectedLayers = sTID('linkSelectedLayers');
    PSString.enableLayerLink = sTID('enableLayerLink');
    PSString.disableLayerLink = sTID('disableLayerLink');
    PSString.unlink = sTID('unlink');
    PSString.unlinkSelectedLayers = sTID('unlinkSelectedLayers');
    PSString.group = sTID('group');
    PSString.layerGroup = sTID('layerGroup');
    PSString.layerSection = sTID('layerSection');
    PSString.layerGroupType = sTID('layerGroupType');
    PSString.layerSectionType = sTID('layerSectionType');
    PSString.layerGroupFromLinkedEvent = sTID('layerGroupFromLinkedEvent');
    PSString.layerSetFromLinkedEvent = sTID('layerSetFromLinkedEvent');
    PSString.layerGroupFromSelectedEvent = sTID('layerGroupFromSelectedEvent');
    PSString.layerSetFromSelectedEvent = sTID('layerSetFromSelectedEvent');
    PSString.layerGroupExpanded = sTID('layerGroupExpanded');
    PSString.layerSectionExpanded = sTID('layerSectionExpanded');
    PSString.groupLayersEvent = sTID('groupLayersEvent');
    PSString.ungroupLayersEvent = sTID('ungroupLayersEvent');
    PSString.sceneGroup = sTID('sceneGroup');
    PSString.sceneSection = sTID('sceneSection');
    PSString.ungroup = sTID('ungroup');
    PSString.presetManager = sTID('presetManager');
    PSString.groupEnd = sTID('groupEnd');
    PSString.hierarchy = sTID('hierarchy');
    PSString.solidColorLayer = sTID('solidColorLayer');
    PSString.fillOpacity = sTID('fillOpacity');

PSUnit.Percent = cTID('#Prc');
    PSUnit.Pixels = cTID('#Pxl');
    //PSUnit.Distance = cTID('#Rlt');
    //PSUnit.Angle = cTID('#Ang');
    
    PSType.QuadCenterState = cTID('QCSt');
    PSType.Interpolation = cTID('Intp');
    //PSType.MenuItem = cTID('MnIt');
    PSType.Ordinal = cTID('Ordn');
    PSType.AntiAlias = cTID('Annt');
    PSType.BlendMode = cTID('BlnM');
    PSType.FillContents = cTID('FlCn');
    //PSType.HorizontalLocation = cTID('HrzL');
    //PSType.BevelEmbossStampStyle = cTID('BESs');
    //PSType.BevelEmbossStyle = cTID('BESl');
    //PSType.BlendMode = cTID('BlnM')
    //PSType.StrokeLocation = cTID('StrL');
    //PSType.VerticalLocation = cTID('VrtL');
    PSType.FrameStyle = cTID('FStl');
    PSType.FrameFill = cTID('FrFl');
    PSType.MatteTechnique = cTID('BETE');
    }
initializeActionmanagerIDs();
function actionManagerApplyStroke(scalePercentage, enabled, present, showInDialog, opacity, size, red, green, blue, overprint){

var d1 = new ActionDescriptor();
    var d2 = new ActionDescriptor();
    var d3 = new ActionDescriptor();
    var d4 = new ActionDescriptor();
    var r1 = new ActionReference();
    
    r1.putProperty(PSClass.Property, PSClass.LayerEffects);
    r1.putEnumerated(PSClass.Layer, PSType.Ordinal, PSEnum.Target);
    d1.putReference(PSString.Null, r1);
    d2.putUnitDouble(PSKey.Scale, PSUnit.Percent, scalePercentage);
    d3.putBoolean(PSKey.Enabled, enabled);
    d3.putBoolean(PSString.present, present);
    d3.putBoolean(PSString.showInDialog, showInDialog);
    d3.putEnumerated(PSKey.Style, PSType.FrameStyle, PSEnum.InsetFrame);
    d3.putEnumerated(PSKey.PaintType, PSType.FrameFill, PSEnum.SolidColor);
    d3.putEnumerated(PSKey.Mode, PSType.BlendMode, PSEnum.Normal);
    d3.putUnitDouble(PSKey.Opacity, PSUnit.Percent, opacity);
    d3.putUnitDouble(PSKey.SizeKey, PSUnit.Pixels, size);
    d4.putDouble(PSEnum.Red, red);
    d4.putDouble(PSEnum.Green, green);
    d4.putDouble(PSEnum.Blue, blue);
    d3.putObject(PSClass.Color, PSClass.RGBColor, d4);
    d3.putBoolean(PSString.overprint, overprint);
    d2.putObject(PSKey.FrameFX, PSKey.FrameFX, d3);
    d1.putObject(PSKey.To, PSClass.LayerEffects, d2);
    
    executeAction(PSEvent.Set, d1, DialogModes.NO );
    }

function actionManagerApplyOuterGlow(scalePercentage, enabled, present, showInDialog, red, green, blue, opacity, chokeMattePixels, size, noisePercentage, shadingNoisePercentage, antiAlias, name, curvePoint01Horizontal, curvePoint01Vertical, curvePoint02Horizontal, curvePoint02Vertical, inputRangePercentage){
 
    var d1 = new ActionDescriptor();
    var d2 = new ActionDescriptor();
    var d3 = new ActionDescriptor();
    var d4 = new ActionDescriptor();
    var d5 = new ActionDescriptor();
    var d6 = new ActionDescriptor();
    var d7 = new ActionDescriptor();
    var r1 = new ActionReference();
    var l1 = new ActionList();

r1.putProperty(PSClass.Property, PSClass.LayerEffects);
    r1.putEnumerated(PSClass.Layer, PSType.Ordinal, PSEnum.Target);
    d1.putReference(PSString.Null, r1);
    d2.putUnitDouble(PSKey.Scale, PSUnit.Percent, scalePercentage);
    d3.putBoolean(PSKey.Enabled, enabled);
    d3.putBoolean(PSString.present, present);
    d3.putBoolean(PSString.showInDialog, showInDialog);
    d3.putEnumerated(PSKey.Mode, PSType.BlendMode, PSEnum.Normal);
    
    d4.putDouble(PSEnum.Red, red);
    d4.putDouble(PSEnum.Green, green);
    d4.putDouble(PSEnum.Blue, blue);    
    d3.putObject(PSClass.Color, PSClass.RGBColor, d4 );
    
    d3.putUnitDouble(PSKey.Opacity, PSUnit.Percent, opacity);
    d3.putEnumerated(PSKey.GlowTechnique, PSType.MatteTechnique, PSEnum.SoftMatte);
    d3.putUnitDouble(PSKey.ChokeMatte, PSUnit.Pixels, chokeMattePixels);
    d3.putUnitDouble(PSKey.Blur, PSUnit.Pixels, size);
    d3.putUnitDouble(PSKey.Noise, PSUnit.Percent, noisePercentage);
    d3.putUnitDouble(PSKey.ShadingNoise, PSUnit.Percent, shadingNoisePercentage); 
    d3.putBoolean(PSKey.AntiAlias, antiAlias);   
    d5.putString(PSKey.Name, name);
    
    d6.putDouble(PSKey.Horizontal, curvePoint01Horizontal);
    d6.putDouble(PSKey.Vertical, curvePoint01Vertical);
    l1.putObject(PSClass.CurvePoint, d6);
    
    d7.putDouble(PSKey.Horizontal, curvePoint02Horizontal);
    d7.putDouble(PSKey.Vertical, curvePoint02Vertical);            
    l1.putObject(PSClass.CurvePoint, d7);
    
    d5.putList(PSKey.Curve, l1);
    d3.putObject(PSKey.TransparencyShape, PSClass.ShapingCurve, d5 );
    d3.putUnitDouble(PSString.InputRange, PSUnit.Percent, inputRangePercentage);
    d2.putObject(PSClass.OuterGlow, PSClass.OuterGlow, d3 );
    d1.putObject(PSKey.To, PSClass.LayerEffects, d2 );
    
    executeAction(PSEvent.Set, d1, DialogModes.NO );
    }

actionManagerApplyOuterGlow(416, true, true, true, 0, 0, 0, 35, 0, 7, 0, 0, false, "Default", 0, 0, 255, 255, 50)
actionManagerApplyStroke(100, true, true, true, 100, 2, 0, 0, 0, true)

jazz-y · Accepted Answer

If you want to add an effect, and not completely update all the effects of the layer, then before applying it you need to save the current settings of the effects to a variable and then use this descriptor to add new effects instead of "new ActionDescriptor ()"

cTID = charIDToTypeID;
sTID = stringIDToTypeID;
function initializeActionmanagerIDs() {
    PSClass = function () { };
    PSEnum = function () { };
    PSEvent = function () { };
    PSForm = function () { };
    PSKey = function () { };
    PSType = function () { };
    PSUnit = function () { };
    PSString = function () { };
    PSClass.Version = cTID('Vrsn');
    PSClass.Pixel = cTID('Pxel');
    PSClass.Offset = cTID('Ofst');
    PSClass.Channel = cTID('Chnl');
    PSClass.Mask = cTID('Msk ');
    PSClass.AdjustmentLayer = cTID('AdjL');
    PSClass.Color = cTID('Clr ');
    PSClass.Curves = cTID('Crvs');
    PSClass.CurvesAdjustment = cTID('CrvA');
    PSClass.Point = cTID('Pnt ');
    PSClass.Document = cTID('Dcmn');
    PSClass.Layer = cTID('Lyr ');
    PSClass.LayerEffects = cTID('Lefx');
    PSClass.Property = cTID('Prpr');
    PSClass.RGBColor = cTID('RGBC');
    PSClass.ShapingCurve = cTID('ShpC');
    PSClass.Application = cTID('capp');
    PSClass.CurvePoint = cTID('CrPt');
    PSClass.OuterGlow = cTID('OrGl');
    PSEnum.Transparency = cTID('Trsp');
    PSEnum.MergedLayers = cTID('Mrg2');
    PSEnum.RevealAll = cTID('RvlA');
    PSEnum.QCSAverage = cTID('Qcsa');
    PSEnum.Bilinear = cTID('Blnr');
    PSEnum.NearestNeighbor = cTID('Nrst');
    PSEnum.Bicubic = cTID('Bcbc');
    PSEnum.None = cTID('None');
    PSEnum.Blue = cTID('Bl  ');
    PSEnum.Composite = cTID('Cmps');
    PSEnum.Green = cTID('Grn ');
    PSEnum.Red = cTID('Rd  ');
    PSEnum.Target = cTID('Trgt');
    PSEnum.All = cTID('Al  ');
    PSEnum.AntiAliasNone = cTID('Anno');
    PSEnum.Normal = cTID('Nrml');
    PSEnum.SoftMatte = cTID('SfBL');
    PSEnum.Add = cTID('Add ');
    PSEnum.RevealSelection = cTID('RvlS');
    PSEnum.RGB = cTID('RGB ');
    PSEnum.Pattern = cTID('Ptrn');
    PSEnum.InsetFrame = cTID('InsF');
    PSEnum.SolidColor = cTID('SClr');
    PSEnum.Linked = cTID('Lnkd');
    PSEnum.Background = cTID('Bckg');
    PSEvent.FullySelected = cTID('fsel');
    PSEvent.CopyMerged = cTID('CpyM');
    PSEvent.Place = cTID('Plc ');
    PSEvent.FlattenImage = cTID('FltI');
    PSEvent.Intersect = cTID('Intr');
    PSEvent.ImageSize = cTID('ImgS');
    PSEvent.GaussianBlur = cTID('GsnB');
    PSEvent.MotionBlur = cTID('MtnB');
    PSEvent.Crop = cTID('Crop');
    PSEvent.Select = cTID('slct');
    PSEvent.Set = cTID('setd');
    PSEvent.Invert = cTID('Invr');
    PSEvent.Make = cTID('Mk  ');
    PSEvent.Copy = cTID('copy');
    PSEvent.Duplicate = cTID('Dplc');
    PSEvent.Fill = cTID('Fl  ');
    PSEvent.Paste = cTID('past');
    PSEvent.Delete = cTID('Dlt ');
    PSEvent.Group = cTID('GrpL');
    PSForm.Identifier = cTID('Idnt');
    PSKey.UserMaskEnabled = cTID('UsrM');
    PSKey.At = cTID('At  ');
    PSKey.New = cTID('Nw  ');
    PSKey.FreeTransformCenterState = cTID('FTcs');
    PSKey.ClippingPath = cTID('ClPt');
    PSKey.PageNumber = cTID('PgNm');
    PSKey.As = cTID('As  ');
    PSKey.InterfacePaletteFill = cTID('IntP');
    PSKey.InterfaceIconFrameDimmed = cTID('Intr');
    PSKey.Angle = cTID('Angl');
    PSKey.Amount = cTID('Amnt');
    PSKey.Blur = cTID('blur');
    PSKey.HighlightMode = cTID('hglM');
    PSKey.Radius = cTID('Rds ');
    PSKey.ShadowMode = cTID('sdwM');
    PSKey.Threshold = cTID('Thsh');
    PSKey.Width = cTID('Wdth');
    PSKey.Height = cTID('Hght'); 
    PSKey.Adjustment = cTID('Adjs');
    PSKey.Curve = cTID('Crv ');
    PSKey.Horizontal = cTID('Hrzn');
    PSKey.Type = cTID('Type');
    PSKey.Using = cTID('Usng');
    PSKey.Vertical = cTID('Vrtc');
    PSKey.AntiAlias = cTID('AntA');
    PSKey.ChokeMatte = cTID('Ckmt');
    PSKey.Enabled = cTID('enab');
    PSKey.HighlightOpacity = cTID('hglO');
    PSKey.Mode = cTID('Md  ');
    PSKey.Name = cTID('Nm  ');
    PSKey.Noise = cTID('Nose');
    PSKey.DocumentID = cTID('DocI');
    PSKey.Opacity = cTID('Opct');
    PSKey.Scale = cTID('Scl ');
    PSKey.TransparencyShape = cTID('TrnS');
    PSKey.To = cTID('T   ');
    PSKey.LayerID = cTID('LyrI');
    PSKey.MakeVisible = cTID('MkVs');
    PSKey.Apply = cTID('Aply');
    PSKey.FrameFX = cTID('FrFX');
    PSKey.Style = cTID('Styl');
    PSKey.PaintType = cTID('PntT');
    PSKey.SizeKey = cTID('Sz  ');
    PSKey.Append = cTID('Appe');
    PSKey.GlowTechnique = cTID('GlwT');
    PSKey.ShadingNoise = cTID('ShdN');
    PSString.bicubicSharper = sTID('bicubicSharper');
    PSString.bicubicSmoother = sTID('bicubicSmoother');
    PSString.deepUpscale = sTID('deepUpscale');
    PSString.preserveDetailsUpscale = sTID('preserveDetailsUpscale');
    PSString.automaticBestFit = sTID('automaticInterpolation');
    PSString.blurType = sTID('blurType');
    PSString.lensBlur = sTID('lensBlur');
    PSString.moreAccurate = sTID('moreAccurate');
    PSString.preset = sTID('preset');
    PSString.smartSharpen = sTID('smartSharpen');
    PSString.Null = sTID('null');
    PSString.presetKind = sTID('presetKind');
    PSString.presetKindCustom = sTID('presetKindCustom');
    PSString.presetKindDefault = sTID('presetKindDefault');
    PSString.presetKindType = sTID('presetKindType');
    PSString.AntialiasGloss = sTID('antialiasGloss');
    PSString.canvasExtensionColorType = sTID('canvasExtensionColorType');
    PSString.layerConceals = sTID('layerConceals');
    PSString.useShape = sTID('useShape');
    PSString.useTexture = sTID('useTexture');
    PSString.pdfSelection = sTID('pdfSelection');
    PSString.page = sTID('page');
    PSString.cropTo = sTID('cropTo');
    PSString.boundingBox = sTID('boundingBox');
    PSString.suppressWarnings = sTID('suppressWarnings');
    PSString.PDFGenericFormat = sTID('PDFGenericFormat');
    PSString.selection = sTID('selection');
    PSString.selectAllLayers = sTID('selectAllLayers');
    PSString.hasUserMask = sTID('hasUserMask');
    PSString.hasVectorMask = sTID('hasVectorMask');
    PSString.black = sTID('black');
    PSString.white = sTID('white');
    PSString.opacity = sTID('opacity');
    PSString.percentUnit = sTID('percentUnit');
    PSString.mode = sTID('mode');
    PSString.blendMode = sTID('blendMode');
    PSString.normal = sTID('normal');
    PSString.fill = sTID('fill');
    PSString.contentLayer = sTID('contentLayer');
    PSString.patternLayer = sTID('patternLayer');
    PSString.disableLayerStyle = sTID('disableLayerStyle');
    PSString.showInDialog = sTID('showInDialog');
    PSString.present = sTID('present');
    PSString.overprint = sTID('overprint');
    PSString.layerEffects = sTID('layerEffects');
    PSString.name = sTID('name');
    PSString.InputRange = sTID('Inpr');
    PSString.linked = sTID('linked');
    PSString.linkedLayerIDs = sTID('linkedLayerIDs');
    PSString.filterMaskLinked = sTID('filterMaskLinked');
    PSString.layerSetFromLinkedEvent = sTID('layerSetFromLinkedEvent');
    PSString.selectLinkedLayers = sTID('selectLinkedLayers');
    PSString.toLinked = sTID('toLinked');
    PSString.link = sTID('link');
    PSString.linkSelectedLayers = sTID('linkSelectedLayers');
    PSString.enableLayerLink = sTID('enableLayerLink');
    PSString.disableLayerLink = sTID('disableLayerLink');
    PSString.unlink = sTID('unlink');
    PSString.unlinkSelectedLayers = sTID('unlinkSelectedLayers');
    PSString.group = sTID('group');
    PSString.layerGroup = sTID('layerGroup');
    PSString.layerSection = sTID('layerSection');
    PSString.layerGroupType = sTID('layerGroupType');
    PSString.layerSectionType = sTID('layerSectionType');
    PSString.layerGroupFromLinkedEvent = sTID('layerGroupFromLinkedEvent');
    PSString.layerSetFromLinkedEvent = sTID('layerSetFromLinkedEvent');
    PSString.layerGroupFromSelectedEvent = sTID('layerGroupFromSelectedEvent');
    PSString.layerSetFromSelectedEvent = sTID('layerSetFromSelectedEvent');
    PSString.layerGroupExpanded = sTID('layerGroupExpanded');
    PSString.layerSectionExpanded = sTID('layerSectionExpanded');
    PSString.groupLayersEvent = sTID('groupLayersEvent');
    PSString.ungroupLayersEvent = sTID('ungroupLayersEvent');
    PSString.sceneGroup = sTID('sceneGroup');
    PSString.sceneSection = sTID('sceneSection');
    PSString.ungroup = sTID('ungroup');
    PSString.presetManager = sTID('presetManager');
    PSString.groupEnd = sTID('groupEnd');
    PSString.hierarchy = sTID('hierarchy');
    PSString.solidColorLayer = sTID('solidColorLayer');
    PSString.fillOpacity = sTID('fillOpacity');
    PSUnit.Percent = cTID('#Prc');
    PSUnit.Pixels = cTID('#Pxl');
    PSType.QuadCenterState = cTID('QCSt');
    PSType.Interpolation = cTID('Intp');
    PSType.Ordinal = cTID('Ordn');
    PSType.AntiAlias = cTID('Annt');
    PSType.BlendMode = cTID('BlnM');
    PSType.FillContents = cTID('FlCn');
    PSType.FrameStyle = cTID('FStl');
    PSType.FrameFill = cTID('FrFl');
    PSType.MatteTechnique = cTID('BETE');
}
initializeActionmanagerIDs();
function actionManagerApplyStroke(useCurrentFX, scalePercentage, enabled, present, showInDialog, opacity, size, red, green, blue, overprint) {
    if (useCurrentFX) {
        (r = new ActionReference()).putProperty(PSClass.Property, PSClass.LayerEffects);
        r.putEnumerated(PSClass.Layer, PSType.Ordinal, PSEnum.Target);
        var d2 = executeActionGet(r).hasKey(PSClass.LayerEffects) ? executeActionGet(r).getObjectValue(PSClass.LayerEffects) : new ActionDescriptor();
        if (d2.hasKey(k = sTID('frameFXMulti'))) d2.erase(k);
    } else {
        var d2 = new ActionDescriptor();
    }
    var d1 = new ActionDescriptor();
    var d3 = new ActionDescriptor();
    var d4 = new ActionDescriptor();
    var r1 = new ActionReference();
    r1.putProperty(PSClass.Property, PSClass.LayerEffects);
    r1.putEnumerated(PSClass.Layer, PSType.Ordinal, PSEnum.Target);
    d1.putReference(PSString.Null, r1);
    d2.putUnitDouble(PSKey.Scale, PSUnit.Percent, scalePercentage);
    d3.putBoolean(PSKey.Enabled, enabled);
    d3.putBoolean(PSString.present, present);
    d3.putBoolean(PSString.showInDialog, showInDialog);
    d3.putEnumerated(PSKey.Style, PSType.FrameStyle, PSEnum.InsetFrame);
    d3.putEnumerated(PSKey.PaintType, PSType.FrameFill, PSEnum.SolidColor);
    d3.putEnumerated(PSKey.Mode, PSType.BlendMode, PSEnum.Normal);
    d3.putUnitDouble(PSKey.Opacity, PSUnit.Percent, opacity);
    d3.putUnitDouble(PSKey.SizeKey, PSUnit.Pixels, size);
    d4.putDouble(PSEnum.Red, red);
    d4.putDouble(PSEnum.Green, green);
    d4.putDouble(PSEnum.Blue, blue);
    d3.putObject(PSClass.Color, PSClass.RGBColor, d4);
    d3.putBoolean(PSString.overprint, overprint);
    d2.putObject(PSKey.FrameFX, PSKey.FrameFX, d3);
    d1.putObject(PSKey.To, PSClass.LayerEffects, d2);
    executeAction(PSEvent.Set, d1, DialogModes.NO);
}
function actionManagerApplyOuterGlow(useCurrentFX, scalePercentage, enabled, present, showInDialog, red, green, blue, opacity, chokeMattePixels, size, noisePercentage, shadingNoisePercentage, antiAlias, name, curvePoint01Horizontal, curvePoint01Vertical, curvePoint02Horizontal, curvePoint02Vertical, inputRangePercentage) {
    if (useCurrentFX) {
        (r = new ActionReference()).putProperty(PSClass.Property, PSClass.LayerEffects);
        r.putEnumerated(PSClass.Layer, PSType.Ordinal, PSEnum.Target);
        var d2 = executeActionGet(r).hasKey(PSClass.LayerEffects) ? executeActionGet(r).getObjectValue(PSClass.LayerEffects) : new ActionDescriptor();
    } else {
        var d2 = new ActionDescriptor();
    }
    var d1 = new ActionDescriptor();
    var d3 = new ActionDescriptor();
    var d4 = new ActionDescriptor();
    var d5 = new ActionDescriptor();
    var d6 = new ActionDescriptor();
    var d7 = new ActionDescriptor();
    var r1 = new ActionReference();
    var l1 = new ActionList();
    r1.putProperty(PSClass.Property, PSClass.LayerEffects);
    r1.putEnumerated(PSClass.Layer, PSType.Ordinal, PSEnum.Target);
    d1.putReference(PSString.Null, r1);
    d2.putUnitDouble(PSKey.Scale, PSUnit.Percent, scalePercentage);
    d3.putBoolean(PSKey.Enabled, enabled);
    d3.putBoolean(PSString.present, present);
    d3.putBoolean(PSString.showInDialog, showInDialog);
    d3.putEnumerated(PSKey.Mode, PSType.BlendMode, PSEnum.Normal);
    d4.putDouble(PSEnum.Red, red);
    d4.putDouble(PSEnum.Green, green);
    d4.putDouble(PSEnum.Blue, blue);
    d3.putObject(PSClass.Color, PSClass.RGBColor, d4);
    d3.putUnitDouble(PSKey.Opacity, PSUnit.Percent, opacity);
    d3.putEnumerated(PSKey.GlowTechnique, PSType.MatteTechnique, PSEnum.SoftMatte);
    d3.putUnitDouble(PSKey.ChokeMatte, PSUnit.Pixels, chokeMattePixels);
    d3.putUnitDouble(PSKey.Blur, PSUnit.Pixels, size);
    d3.putUnitDouble(PSKey.Noise, PSUnit.Percent, noisePercentage);
    d3.putUnitDouble(PSKey.ShadingNoise, PSUnit.Percent, shadingNoisePercentage);
    d3.putBoolean(PSKey.AntiAlias, antiAlias);
    d5.putString(PSKey.Name, name);
    d6.putDouble(PSKey.Horizontal, curvePoint01Horizontal);
    d6.putDouble(PSKey.Vertical, curvePoint01Vertical);
    l1.putObject(PSClass.CurvePoint, d6);
    d7.putDouble(PSKey.Horizontal, curvePoint02Horizontal);
    d7.putDouble(PSKey.Vertical, curvePoint02Vertical);
    l1.putObject(PSClass.CurvePoint, d7);
    d5.putList(PSKey.Curve, l1);
    d3.putObject(PSKey.TransparencyShape, PSClass.ShapingCurve, d5);
    d3.putUnitDouble(PSString.InputRange, PSUnit.Percent, inputRangePercentage);
    d2.putObject(PSClass.OuterGlow, PSClass.OuterGlow, d3);
    d1.putObject(PSKey.To, PSClass.LayerEffects, d2);
    executeAction(PSEvent.Set, d1, DialogModes.NO);
}
actionManagerApplyOuterGlow(true, 416, true, true, true, 0, 0, 0, 35, 0, 7, 0, 0, false, "Default", 0, 0, 255, 255, 50)
actionManagerApplyStroke(true, 100, true, true, true, 100, 2, 0, 0, 0, true)

r-bin · Answer

Advice

To add an arbitrary effect to a layer with the existing effects, create a new empty layer, apply the desired effect to it, drag this effect onto the layer you need. Delete the empty temporary layer. Examine the code how to move the layer effect to the desired layer, which will generate the scriptlistener.

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