Install latest/stable of ifacetool
Ubuntu 16.04 or later?
Make sure snap support is enabled in your Desktop store.
ifacetool provides tooling to work with snap interfaces, in particular their policies as realized via snap-declarations.
One central feature of ifacetool is simulating what snapd will do in terms of auto-connections for a group of snaps given snap metadata and snap-declaration content.
Generate an embeddable card to be shared on external websites.
Choose your Linux distribution to get detailed installation instructions. If yours is not shown, get more details on the installing snapd documentation.