Hi Hari,
I would recommend you referring to Composite Device User's Guide in the folder of "C:\Freescale\KSDK_1.3.0\doc\usb", there are steps you may follow to build a custom composite demo .
Have a great day,
Jennie Zhang
-----------------------------------------------------------------------------------------------------------------------
Note: If this post answers your question, please click the Correct Answer button. Thank you!
-----------------------------------------------------------------------------------------------------------------------