accessing Mic in B-L475E-IOT01A dev kit

[Sundar santhanam]

https://github.com/STMicroelectronics/STM32CubeL4/tree/master/Projects/B-L475E-IOT01A/Applications

I went the following link but found that the code for accessing microphone was not found. Can anyone please help with some example code for the same

Thanks!!!