Hilight the asset to clone. goto 'Content' at the top of the page.
Choose 'Clone'. a window will open showing the new kuid with your username.
It will also show 'Open for Editing'
Select 'Open for editing' from the menu and find 'New Asset".
Right click to open , then go to "Open for editing and 'Edit config file text,
Change the ,'Username' and modify the asset.
Cheers,
Mike