This is a Plugin Alias of PluginFade.
So when you use, PluginPresentation, you are in fact using Fade but with some parameters preset.

preferences: enable: [ wikiplugin_fade, wikiplugin_presentation ] objects: - type: plugin_alias ref: plugin_presentation data: name: presentation implementation: fade description: name: Presentation description: Displays the title of a presentation and the abstract appears below on click. body: Content to fade in on click. (The abstract and any other additional information) prefs: [ wikiplugin_presentation ] params: label: required: true name: Title description: "Title of the presentation" filter: striptags body: input: use default: "" params: label: Title of the presentation