To access other business objects using your business object, you must first add them to your current business object.
Access Server-Side Business Object
Simplifier.BusinessObject.ContentRepository.contentFolderEdit({}, lfx_success, lb_showBusyIndicator, lb_failOnError, lfx_error
Access Client-Side Business Object
Simplifier.ClientsideBusinessObject.ClientSideBO.getData({}, lfx_success, lb_showBusyIndicator, lb_failOnError, lfx_error)