If you would like to add a third party plugin slider to the header section of a page, you can do this by using the shortcode of the slider, if the plugin provides an option to add the slider via a shortcode.

In order to do this, just select the “Custom Slider Shortcode” option in the “Page slider/header” field, located in the “Gossh Page Settings” section of the page. Then insert the shortcode in the “Custom Slider Shortcode” field below: