FBInstant.createShortcutAsync
From GiderosMobile
Available since: Gideros 2018.3.1
Description
Prompts the user to create a shortcut to the game if they are eligible to Can only be called once per session.
FBInstant.createShortcutAsync(callback)
'callback: (function) A function that will be called with two arguments: Will return false if createShortcutAsync was already called this session or the user is ineligible for shortcut creation and an error code if the function failed. '