ESP32 on GPS1 of Pixhawk Cube Orange+

hi, I have a pixhawk cube orange plus+ and am trying to get a setup working where I have a safety switch working as well as the UART pins available on GPS1, I would like to connect another tx/rx peripheral on that port as I have all ports taken up, I am wondering what params I need to set as I cannot seem to get it working. For testing, I have an esp32 connected atm just to see if a heartbeat is etablished, and cannot seem to get a heartbeat (heartbeat works on other telem/uart ports tho) I have a cube orange +, running copter 4.6.3 my pinout, wires are correct i have the params set for safety switch already and that works fine

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Show your exact setup with a clear description how all pins are interconnected.
Show all your PARAMS
It is not possible to have more than one signal sources on the same UART pins just by some SW settings. Therefore you need a HW change.