Sets which portal backend should be used to provide the implementation for the requested interface. For details check portals.conf(5). These will be written with the name $desktop-portals.conf for xdg.portal.config.$desktop and portals.conf for xdg.portal.config.common as an exception. These, together with xdg.portal.configPackages, will be joined into a directory and passed to xdg-desktop-portal.service through a NIXOS_XDG_DESKTOP_PORTAL_CONFIG_DIR variable.

{ }

{ common = { default = [ "gtk" ]; }; pantheon = { default = [ "pantheon" "gtk" ]; "org.freedesktop.impl.portal.Secret" = [ "gnome-keyring" ]; }; x-cinnamon = { default = [ "xapp" "gtk" ]; }; }