APIs for visualization extensions
                Qlik Sense comes with a number of client-side APIs that can be used for building visualization extensions.
| API name | API type | 
|---|---|
| Engine API | JSON RPC | 
| Extension API | JavaScript library | 
| Backend API | JavaScript library | 
| Root API | JavaScript library | 
| App API | JavaScript library | 
| Bookmark API | JavaScript library | 
| Field API | JavaScript library | 
| Global API | JavaScript library | 
| Table API | JavaScript library | 
| Navigation API | JavaScript library | 
| Selection API | JavaScript library | 
| Variable API | JavaScript library |