Based on How To: Create an MQX RTOS for KSDK project with Processor Expert in Kinetis Design Studio IDE from Maclain Lobdell and Derek Snell you can find in the attached document the steps to include RTCS to a KDS3.0 project using KSDK1.2 and Processor Expert as well as the final project.
Thank you Ronen Benayoun for providing the first draft of this process.
For information about creating a new KSDK project with MQX and without Processor Expert please see the following document.
If you are looking for a simple document to get started with KSDK please see the following document.
Original Attachment has been moved to: K64_PEx_RTCS_KSD1.2_KDS3.0.zip