vagrant cap -help

mountaing

Usage: vagrant cap [options] TYPE NAME [args]

This is an advanced command. If you don't know what this
does and you aren't explicitly trying to use it, you probably
don't want to use this.

This command checks or executes arbitrary capabilities that
Vagrant has for hosts, guests, and providers.

Options:

        --check                      Only checks for a capability, does not execute
    -h, --help                       Print this help