stm32f401 usb hid device not able stop / suspend / device disconnects physicaly in pc device manager?

In STM 32 f401 Nucleo board hardware USB HID CLASS code is generated by cubeMX.

It is working Fine When usb is plugged IN..

I wanted Stop & Clear class Configurations.

I am using USBD_LL_Stop,USBD_LL_DeInit,Suspend Functions tried but It's not working....

I wanted stop usb hid device after 10 seconds. what are the functions need to use Somebody help me to do?????