This is a part of the Ghost Kit Pro plugin.
Purchase the Pro plugin to access this and other advanced features.
The Spoiler format allows you to hide part of the content from the user until he clicks on it.
This can be a useful tool for creating a sense of suspense or organizing content to allow users to control what they want to see. Users will uncover the hidden content by clicking on the spoiler, providing them with a more interactive and engaging experience.