ADS to CST layout import

Hello , I am using ADS to implement a coupler , how can i import is layout into CST?
in the CST menu i saw "import ads model" but what kind of file is ment by that?
thanks

Export the designed file in gerber file format from ADS....U can import the same and edit it in CST....
Thanks,

You can also try ADS DXF file format.