Youski labs has a great tutorial on how to install NDI|HX on your Panasonic CX Camcorders, specifically the CX10, CX350 and CX4000. The NDI|HX license is available at $299. Once you are sent your activation key you'll be able to start the process to install NDI|HX into your Panasonic camcorder.
Check out the tutorial here!
Learn more about Panasonic here!
Learn more about the NDI|HX Upgrade for Panasonic Cameras here!