currentAppUi built in variable in VBCS

$global.currentAppUi.id:- The id of the App UI

$global.currentAppUi.urlId:-The id of the App UI as shown in the URL

$global.currentAppUi.displayName:- The display name for the App UI

$global.currentAppUi.description:- The description of the App UI

$global.currentAppUi.defaultPage:- The default page of the App UI (if there is one)

$global.currentAppUi.defaultFlow:- The default flow of the App UI (if there is one)

$global.currentAppUi.applicationStripe:- The stripe of the custom App UI

$global.currentAppUi.pillarTheme:- The pillar theme to use for the App UI

$global.currentAppUi.pillarThemeMode:- The pillar theme mode to use for the App UI

$global.currentAppUi.icon:- The icon of the custom App UI

$global.currentAppUi.usage:- (This variable is reserved for Oracle Cloud Applications)

$global.currentAppUi.menuDisplayName:- The name of the custom App UI

$global.currentAppUi.extensible: (Boolean) If this App UI can be extended

currentFlow built in variable in VBCS

If there is a routerFlow in the page, the $page.currentFlow variable can be used to retrieve the id of this flow.

$page.currentFlow:- The id of the current flow.

currentPage Built in variable in VBCS

• To access some of the current page's metadata, such as ID and title, there is a built-in variable named currentPage on the application object. 

• The currentPage variable automatically updates as the current page changes during navigation. 

• This can be used to update a navigation component with the currently selected page.

$flow.currentPage:- The id of the current page for this flow. 

$application.currentPage.id:-The path of the current page. The path describes the location of the page in the flow hierarchy.

$application.currentPage.path:-The path of the current page for the application. The path describes the location of the page in the flow hierarchy.

$application.currentPage.title:- The title of the current page. The title is formed by prepending all the titles of the shells in the flow hierarchy to the current page.