The home interface

home allows access to non-hidden files owned by the user in the user’s home ($HOME) directory.

Auto-Connect: yes on classic (traditional distributions), no otherwise
Transitional: yes
Attributes:

• read (plug):
  optional, when set to ‘all’, also allows reading non-hidden files in the home directories of all users as traditional file permissions allow.
  When set to ‘all’ this plug becomes non-autoconnect.

Requires snapd version 2.33+.

Corresponding source code

snapd/home.go at master · snapcore/snapd