The PanelInstance object manages transient state for the PanelDefinition object. The attributes of the PanelInstance object, which are in addition to the attributes inherited from the InstanceObject base class, are:
| Attribute | Description | 
|---|---|
| 
 | 
 | 
| 
 | Indicates whether the panel is listed in the available panels in the browser. | 
| 
 | Indicates whether the panel content area is open or closed in the browser. | 
| 
 | Holds the identifier of the currently visible panel tab in the browser. Applies to tab-holder panels. | 
| 
 | Logical identifier for the corresponding  | 
| 
 | Indicates whether the entire panel is open or closed, including the title bar, in the browser. | 
| 
 | Lists the identifiers of the other panels that are tabbed with the current tab-holder panel in the browser. Applies to tab-holder panels. | 
| 
 | Indicates whether the panel is currently tabbed on a tab-holder panel in the browser. | 
| 
 | Supports the transient scrollable tabs feature for horizontal tab scrolling. | 
| 
 | Indicates whether the panel is visible in the browser. | 

