diff --git a/models/common/authentification-info.json b/models/common/authentification-info.json
index c67b3c2862a8823afdc37577b3fb861b7213f23f..6a0a52d84e61caf9a9185d3c0071bfbf1e466be6 100644
--- a/models/common/authentification-info.json
+++ b/models/common/authentification-info.json
@@ -2,6 +2,14 @@
   "type": "object",
   "title": "Authentifikation",
   "additionalProperties": false,
+  "description": "Informationen über die Authentifikation der Person.",
+  "x-examples": {
+    "example-1": {
+      "assuranceLevel": "high",
+      "authentificationMethod": "eID",
+      "timestamp": "2020-03-03T12:38:23Z"
+    }
+  },
   "properties": {
     "assuranceLevel": {
       "type": "string",
@@ -9,29 +17,46 @@
         "low",
         "substantial",
         "high"
-      ]
+      ],
+      "description": "Vertrauensniveau"
     },
     "authentificationMethod": {
-      "type": "string"
+      "type": "string",
+      "description": "Methode der Authentifikation"
     },
     "authentificationToken": {
       "type": "object"
     },
     "timestamp": {
       "type": "string",
-      "format": "date-time"
+      "format": "date-time",
+      "description": "Zeitstempel der Authentifikation"
+    },
+    "authenticatedFields": {
+      "type": "array",
+      "minItems": 1,
+      "uniqueItems": true,
+      "description": "Liste der authentifizierten Felder in `identityInfo`",
+      "items": {
+        "type": "string",
+        "enum": [
+          "placeOfBirth",
+          "dateOfBirth",
+          "gender",
+          "nationality",
+          "artisticName",
+          "doctoralDegrees",
+          "birthName",
+          "givenName",
+          "familyName",
+          "placeOfResidence"
+        ]
+      }
     }
   },
   "required": [
     "assuranceLevel",
-    "authentificationMethod"
-  ],
-  "description": "Informationen über die Authentifikation der Person.",
-  "x-examples": {
-    "example-1": {
-      "assuranceLevel": "high",
-      "authentificationMethod": "eID",
-      "timestamp": "2020-03-03T12:38:23Z"
-    }
-  }
+    "authentificationMethod",
+    "authenticatedFields"
+  ]
 }
\ No newline at end of file