Defines which must be true before the action can be executed. If multiple actions are defined for a control, only the actions where the conditions are true will be executed.

The name of the action to execute. That name must match the name of a action-method in the target-object's class.

An optional params-object which is passed to the target-object's action-method as second argument.

The target-object on which the action should be executed. The target-object's class needs to contain the action-method defined in the ActionDescriptor.name property. The default target-object is the current scene-behavior component.

The target-property is first interpreted as a binding-expression. If that expression doesn't return a result it is interpreted as an action-target expression which uses the syntax:

Like in the following example:

If the control or component doesn't exist the current scene-behavior component is used.

Defines a time-delay in frames before the action is executed.