Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/STMicroelectronics/STM32L562/EXTI/SWIER2#0x0
EXTI software interrupt event register
SWI35
SWI36
SWI37
SWI38
https://github.com/cmsis-svd/cmsis-svd-data