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Project information

Through data binding, the project exposes a contextual data tree. You can use it to personalize the experience, adapt layouts, detect launch conditions, or consume parameters passed to the project.

Data binding example

Project Information

The project exposes the following tree, grouped by category:

General context

  • Project > Context > locale
  • Project > Context > userAgent
  • Project > Context > timezone
  • Project > Context > timestamp

Screen and project

  • Project > Context > Screen > width
  • Project > Context > Screen > height
  • Project > Context > Screen > density
  • Project > Context > Screen > breakpoint
  • Project > Context > Project > width
  • Project > Context > Project > height
  • Project > Context > Project > portrait

Screens

  • Project > Screens > Current
  • Project > Screens > Current > did
  • Project > Screens > Current > name
  • Project > Screens > Current > index
  • Project > Screens > List > ... > screen

The Screen value keeps did as the screen identifier used for navigation. name and index are exposed for display, sorting, or conditions. The index starts at 0 and follows the order of the screens in the project.

Viewer and environment

  • Project > Context > Viewer > type
  • Project > Context > Viewer > uid
  • Project > Context > Viewer > deviceToken
  • Project > Context > Viewer > Web > isPWAInstalled
  • Project > Context > Network > wifiSSID
  • Project > Context > Permissions > tracking

Viewer > deviceToken contains the native push notification token exposed by iOS and Android viewers. It can be empty when push notifications are not configured, when the user has not granted notification permission, or before the native platform has generated a token.

Launch

  • Project > Context > Launch > Parameter(s) > ...
  • Project > Context > Launch > Url

Business parameters

  • Project > Push Notification (data) > title
  • Project > Push Notification (data) > message
  • Project > Push Notification (data) > sound
  • Project > Push Notification (data) > Data > ...
  • Project > EMM parameter(s) > ...
  • Project > SSO parameter(s) > ...

Parameter(s) > ..., Push Notification (data) > Data > ..., EMM parameter(s) > ..., and SSO parameter(s) > ... are dynamic branches: the available keys depend on what you declared in the project properties or what the push payload contains.

Common examples

  • Detect the device language with Project > Context > locale
  • Adapt a layout with Project > Context > Screen > breakpoint
  • Display the current screen name with Project > Screens > Current > name
  • Check the current screen position with Project > Screens > Current > index
  • Control a deep link with Project > Context > Launch > Parameter(s) > wid
  • Send the current device token to your backend with Project > Context > Viewer > deviceToken
  • Reuse a push campaign code with Project > Push Notification (data) > Data > campaign
  • Check the iOS tracking status with Project > Context > Permissions > tracking

Display a page indicator

The screen tree lets you build a running page indicator, such as 3 / 8, that updates on its own as the reader moves between screens. It combines two exposed values: the position of the current screen and the total number of screens.

Insert a text block where you want the indicator, open its Content data binding, and choose the Concat function to assemble three parts:

  1. Current page number — Project > Screens > Current > index, with the Add function set to 1. The index starts at 0, so adding 1 makes the first screen read 1.
  2. A separator — a short text such as /.
  3. Total number of screens — the Count function applied to Project > Screens > List.

Because the binding reads Current > index, the indicator refreshes automatically every time the active screen changes, including when the reader swipes in Magazine mode.