i have another problem with arnold in maya... i want to instance a light but when i apply duplicate special to light nothing happen...only it creat a pivot without any object linked to it...
http://help.autodesk.com/view/MAYAUL/2019/ENU/index.html?guid=GUID-B80E8A92-F75D-4512-A135-BB157E928E97 The "," and "." hotkeys will select all children that are visible in the graph, then you can move them.