The FrameworkInstance object manages transient state for the FrameworkDefinition object. The attributes of the FrameworkInstance object, in addition to the attributes inherited from the InstanceObject base class, are:
| Attribute | Description | 
|---|---|
| 
 | 
 | 
| 
 | The identifier of the currently selected tab in the browser. | 
| 
 | Logical identifier for the corresponding  | 
| 
 | The identifier of the last selected tab in the browser. | 
| 
 | List of tabs currently visible in the browser. | 

