Layer name used to save file with Action or Script

@AEL-13 

Try the following script. You will need to record it as an action step, replacing any Save As/Export - Save for Web (Legacy) steps in the action.

/*
Export Save for Web Named After Visible Top-Level Layers.jsx
v1.0 - 21st May 2024, Stephen Marsh
https://community.adobe.com/t5/photoshop-ecosystem-discussions/layer-name-used-to-save-file-with-action-or-script/m-p/14630542
Info: Action helper script used to replace an action save/export step to include a custom filename using the visible root/top-level layer names + doc name
*/

#target photoshop

try {

    // Check that the file has been previously saved
    app.activeDocument.path;

    // Get the current doc
    var doc = app.activeDocument;

    // Get the doc path
    var docPath = doc.path;

    // Get the doc name without the extension
    var docName = doc.name.replace(/\.[^\.]+$/, '');

    // Get all of the root/top-level layers
    var layers = doc.layers;

    // Initialize strings to store the layer names
    var visibleLayerGroups = '';
    var visibleLayers = '';

    // Loop over the layers
    for (var i = 0; i < layers.length; i++) {
        // Get the current layer
        var layer = layers[i];

        // Check if the layer is a group
        if (layer.typename === 'LayerSet') {
            // Check if the group is visible
            if (layer.visible) {
                // Append the group name to the string
                visibleLayerGroups += layer.name;

                /*
                // Loop over the layers in the group
                var groupLayers = layer.layers;
                for (var j = 0; j < groupLayers.length; j++) {
                    var groupLayer = groupLayers[j];
    
                    // Check if the layer in the group is visible
                    if (groupLayer.visible) {
                        // Append the layer name to the string
                        visibleLayers += groupLayer.name + ' - ';
                    }
                }
                */
            }

        } else {
            // Check if the layer is visible
            if (layer.visible) {
                // Append the layer name to the string
                visibleLayers += layer.name;
            }
        }
    }

    // Export the visible layer groups and layers
    if (visibleLayerGroups !== "") {
        var layerNames = visibleLayers + ' - ' + visibleLayerGroups;
        var saveFileJPEG = new File(docPath + '/' + layerNames + ' - ' + docName + '.jpg');
        SaveForWeb(saveFileJPEG);
    
    } else {
        alert('Attention: No layers are visible!');
    }

} catch (e) {
    alert('Error!' + '\r' + e + ', Line: ' + e.line);
}

// JPEG S4W Options
function SaveForWeb(saveFileJPEG) {
    var sfwOptions = new ExportOptionsSaveForWeb();
    sfwOptions.format = SaveDocumentType.JPEG;
    sfwOptions.includeProfile = true;
    sfwOptions.interlaced = 0;
    sfwOptions.optimized = true;
    sfwOptions.quality = 75;
    app.activeDocument.exportDocument(saveFileJPEG, ExportType.SAVEFORWEB, sfwOptions);
}

Info on saving and running scripts here:

https://prepression.blogspot.com/2017/11/downloading-and-installing-adobe-scripts.html