{
  "applinks": {
      "substitutionVariables": {
          "path_variants": [ "redford/sps", "photostream/join" ],
      },
      "details": [
           {
             "appIDs": [ "F9L2L89K5X.com.apple.Photos" ],
             "components": [
               {
                  "/": "/$(path_variants)/",
                  "?": { "invitation_id": "?*" }
               }
             ],
			 "alwaysEnabled": true
           }
       ],
   }
}