1 Click A Custom Code→ Add New menu.
4 And then click on→ Publish and you will see a Generated Shortcode in the bottom area. Copy and Paste the custom code shortcode to your post, page, or anywhere on your site.
1 Click A Custom Code→ Global Menu.
2 Type a group name that you can identify or remember the next time.
3 Select a Template.
4 Select with specific Pages/Posts by entering 3 or more characters (Leave this field empty if you want every single posts of your entire website).
5 add your JS Code.
6 And then click on→ Save button.