fw-daemon/gnome-shell/firewall@subgraph.com/metadata.json

{
  "description": "Firewall Extension",
  "shell-version": ["3.18", "3.20", "3.21", "3.21.91", "3.22"],
  "uuid": "firewall@subgraph.com",
  "name": "Subgraph Firewall",
  "description": "Gnome Shell support for the Subgraph Application Firewall.",
  "settings-schema": "com.subgraph.firewall"
}