The Symantec Administrator Software Development Kit (ASDK) provides an application programming interface (API) that you can use to automate and customize the Symantec Management Platform. You can call APIs through Web services, COM, and the Windows command line (CLI).
ITMS 8.x
You can find the Symantec ASDK Help attached (Symantec ASDK API documentation.zip) to this article and at C:\ProgramData\Microsoft\