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EXTI interrupt handler not trigger for stm32f446re

Hi,

i'm newbie , i want to know why my code doesn't work , my coding is about external interrupt is not trigger

EXTIx_IRQHandler not trigger for coding in the uvision5 , but the same code i'm done with stm32cobeMX that is generated is work fine

please help me how to solve or i miss somthing with uvision5.