Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32wl/STM32WL5x_CM0P/ADC/ADC_AWD3CR#0x0
ADC Analog Watchdog 3 Configuration register
AWD3CH
https://github.com/modm-io/cmsis-svd-stm32