How to use record button and dial (for focus/zoom) for Nikon Z8?

Hello there, when using RS 3 Pro with Nikon Z8, you can connect them via the Multi-Camera Control Cable (USB-C). Start/Stop Recording Video is supported but Zoom Control(Digital or Optical) is not.
You may check out the details and setup method on our official website: https://www.dji.com/support/compatibility/rs-3-pro/z8.
Please let me know if you are unable to use the record feature. Thank you.

The record button is often delayed and chaotic, sorry I can't make a new post. Currently, when I use rs3pro for sony a74, the record button works without delay or chaos, but since I connected it to the a6400, there has been a delay error and confusion when pressing record and stopping recording. Specifically, when you press record, it doesn't record. After a while, it records and stops recording. Sometimes you have to press twice for it to record. Sometimes when you press record, the camera screen will record after about 1 second. Does it automatically stop recording?