How to control objects inside an Asset Flow


I create an Asset Flowt with objects that include referenced audio obtained from an Excel file. The objects are loaded without problem and each object has its reproduction control, but what I need is to be able to control the reproduction of audio from a trigger of an object that is not inside the Asset Flow, however, it does not allow me to access the objects inside the Asset Flow, only to manipulate the behavior of the Asset Flow, not its content