creation.js

            this.on("success", function (file, response) {
                if (response && response.length > 0) {
                    $.each(response, function (i, v) {
                        uploadedFileMap[file.upload.uuid] = response.find(function (element) {
                            return file.name == element.originalName;
                        });
                    });
                }
                changeThumbnailSuccessState(file, response);
                //here

                $(file.previewElement).find(".view-attachment").attr("href", file.dataURL);
                $(file.previewElement).find(".view-attachment").attr("data-lightbox", "lightbox-gallery");

                //data-lightbox="example-tag"

                //file.previewElement.children.find(".view-attachment").
                console.log(file);
            });