I am going to start with an apology, I believe this is only available with the classify plugin. I had forgot that I added that. Here is the link to it. Its not native, but it’s pretty close. @AliFarahat , you can add custom CSS classes in the ID attribute input. Additionally, you can add an ID as well if you keep it outside the braces. The following code will add both class and ID appropriately:
{addClass: "yourCustomCssClass"} yourCustomID
How it looks in the editor:
The results in Chrome inspector:
