virtual [EIteratorStatus](API\Plugins\Chooser\FObjectChooserBase\EIteratorStatus) ChooseMulti ( [FChooserEvaluationContext](API\Plugins\Chooser\FChooserEvaluationContext) & ContextData, [FObjectChooserIteratorCallback](API\Plugins\Chooser\FObjectChooserBase\FObjectChooserIteratorCallback) Callback ) const