How to Boot From a USB Drive in VirtualBox

hii guys ....~!

today i'm will show you how to make vmdk (Virtual Machine Disk)
this file can give the ability to boot from usb on an other disk on virtualmachin
to make this file we gonna use VBoxManage you can find it at virtual box folder on programe file

1/ fist one we gonna open the cmd with admin user
2/ open Diskpart shell and type list disk then this you gonna find the usb disk id
2/ go to virtual box folder
3/ and run this command

# = usb disk id number

VBoxManage internalcommands createrawvmdk -filename C:\usb.vmdk -rawdisk \\.\PhysicalDrive#

4/ now go to virtual disk and choose the vmdk file you gonna find it at c:\
6/ then boot from usb

you can see all  steps on video below