how to start xvfb from Arch linux ARM64 architecture

[Mgr. Janusz Chmiel]

Dear specialists,
I have installed Arch Linux ARM64 Bit and I have installed xvfb by typing
pacman -S xorg-server-xvfb
Package have been installed correctly. But xvfb do not start this app. I Am
getting error message file not found.
So which command start xvfb from Arch Linux please?
Form Debian I could simply type
xvfb and some command line options.
Thank you very much for yours advice.
With warmest regards and with The deepest appreciation to this mailing list
members.
Janusz Chmiel