Set Name and Clone date in ServiceNow Banner

setBanner.js

// Create an SVG string
var currentDate = new GlideDate();
var instanceName = gs.getProperty('instance_name');
var svgContent = '<svg width="550" height="100" xmlns="http://www.w3.org/2000/svg">' +
    '<text x="20" y="50" style="font-family: Arial; font-weight: bold; font-size: 60; fill: #ffffff;">' + instanceName + '</text>' +
    '<text x="20" y="90" style="font-family: Arial; font-size: 40; fill: #ffffff;">Cloned ' + currentDate + '</text>' +
    '</svg>';

// Run functions to create an image and set it as the logo
var imageFileName = createImageRecord(svgContent);
setImageAsLogo(imageFileName);

function createImageRecord(svgData) {
    // Set a name for the image file
    var randomNumber = Math.floor(Math.random() * 100); // To avoid possible collisions
    var imageName = 'instanceLogo' + randomNumber + currentDate + '.svg';

    // Create a new empty db_image record to store the graphic
    var rec = new GlideRecord("db_image");
    rec.initialize();
    rec.name = imageName;
    rec.format = "svg";
    rec.category = 'general';
    rec.insert();

    // Create a new attachment record
    var attachment = new GlideSysAttachment();

    // Set the attachment file name and content type
    var fileName = 'generated.svg';
    var contentType = 'image/svg+xml';

    // Set the attachment content
    attachment.write(rec, fileName, contentType, svgData);

    // Insert the attachment record and link it to db_image
    attachment.insert();

    // Get the new attachment sys_id so we can set the "db_image.image" field to the attachment sys_id
    var attach = new GlideRecord("sys_attachment");
    attach.get('table_sys_id', rec.sys_id);
    rec.image = attach.sys_id;
    rec.update();

    return imageName;
}

function setImageAsLogo(imageName) {
    // Update the property to point to our db_image record
    gs.setProperty('glide.product.image.light', imageName);
    var rec = new GlideRecord('sys_properties');
    rec.get('name', 'glide.product.image.light');
    rec.setValue('type', 'image');
    rec.update();
}