"function GetLastPerceptionInaudible () Use this in an OnPerception script to determine whether the object that was perceived has become inaudible. \n* Return type: int \n* Include file: nwscriptdefn"@en . . . "function GetLastPerceptionInaudible () Use this in an OnPerception script to determine whether the object that was perceived has become inaudible. \n* Return type: int \n* Include file: nwscriptdefn"@en . . . "GetLastPerceptionInaudible"@en .