Folder
The Folder is used to group a set of child File or Folder containers. This is used to share common event handlers or class definitions across multiple files. It may be contained within a Package or a Folder container.
A Folder element can contain multiple Folder and File child containers.
A Folder element may also contain one OnStart, one OnFinish, and many OnButton event handlers.
| Attribute | Description |
|---|---|
| ID | The ID of the container. Must be unique across all containers within the package. |
| Class | The type or resolution of content within this container. Possible values are "Chapter", "Page", "Sentence", etc.. |





