Object

Actions are written in standard JavaScript, but development requires the use of an action-specific object. An object is structural data that holds data. Objects include $ui and $const, which have preregistered properties, and $param and $session, to which properties can be added arbitrarily. There is also $req and $res which can only be used in REST API actions.

Object	Purpose	Description
$ui	Access to UI components	Can set/get values for registered properties
$param	Data transfer to the next ui	Can set/get any property
$session	Data transfer during a session	Can set/get any property
$const	Constant Reference	Possible to retrieve registered constant values
$req	Request data	Obtain HTTP request object in REST API action
$res	Response data	Set HTTP response object in REST API action

Note

Names of objects and functions that the service prepares in advance are marked with "$".