On your computer, find the connectCAD_Data folder
The path is C:\Documents and Settings\<username>\ApplicationData\Nemetschek\VectorWorks\2015\Plug-ins\connectCAD_Data (for Windows)
In the Data folder, you will find text documents containing all the data for DA’s
Open the file named ‘VDAdata’
Adding a new DA type
Copy the last line in the file and paste it at the bottom. Now you can modify the values to match your new DA. When you have finished save the file and the next time you use the VDA tool you will see your new DA type at the bottom of the list.