Failover with NPM?! (Upstream)

[Marcel40625]

Hello, i would like to use NPM on my dedicated root to redirect a domain to my home connection with failover in mind.
(i have 2 internet connections @Home)

found that Nginx could handle this with "upstream" but dont know how to config this in NPM

upstream homeconnection {
    server connection1.home.com:443 fail_timeout=60s max_fails=1;
    server connection2.home.com:443 backup;
}

server {
    listen 443;
    server_name connection.home.com;

    location / {
        proxy_pass http://homeconnection;
    }
}

anyone an idea if and how its possible in NPM?