Add identifier field to questions

doc/api/resources/questions.rst

@@ -31,12 +31,16 @@ type                                  string                     The expected ty
 required                              boolean                    If ``True``, the question needs to be filled out.
 position                              integer                    An integer, used for sorting
 items                                 list of integers           List of item IDs this question is assigned to.
+identifier                            string                     An arbitrary string that can be used for matching with
+                                                                 other sources.
 ask_during_checkin                    boolean                    If ``True``, this question will not be asked while
                                                                  buying the ticket, but will show up when redeeming
                                                                  the ticket instead.
 options                               list of objects            In case of question type ``C`` or ``M``, this lists the
                                                                  available objects.
 ├ id                                  integer                    Internal ID of the option
+├ identifier                          string                     An arbitrary string that can be used for matching with
+                                                                 other sources.
 └ answer                              multi-lingual string       The displayed value of this option
 ===================================== ========================== =======================================================
 
@@ -45,6 +49,10 @@ options                               list of objects            In case of ques
   The values ``D``, ``H``, and ``W`` for the field ``type`` are now allowed and the ``ask_during_checkin`` field has
   been added.
 
+.. versionchanged:: 1.14
+
+  The attribute ``identifier`` has been added to both the resource itself and the ``options`` subresource.
+
 Endpoints
 ---------
 
@@ -80,18 +88,22 @@ Endpoints
             "required": false,
             "items": [1, 2],
             "position": 1,
+            "identifier": "WY3TP9SL",
             "ask_during_checkin": false,
             "options": [
               {
                 "id": 1,
+                "identifier": "LVETRWVU",
                 "answer": {"en": "S"}
               },
               {
                 "id": 2,
+                "identifier": "DFEMJWMJ",
                 "answer": {"en": "M"}
               },
               {
                 "id": 3,
+                "identifier": "W9AH7RDE",
                 "answer": {"en": "L"}
               }
             ]
@@ -134,19 +146,23 @@ Endpoints
         "type": "C",
         "required": false,
         "items": [1, 2],
-        "ask_during_checkin": false,
         "position": 1,
+        "identifier": "WY3TP9SL",
+        "ask_during_checkin": false,
         "options": [
           {
             "id": 1,
+            "identifier": "LVETRWVU",
             "answer": {"en": "S"}
           },
           {
             "id": 2,
+            "identifier": "DFEMJWMJ",
             "answer": {"en": "M"}
           },
           {
             "id": 3,
+            "identifier": "W9AH7RDE",
             "answer": {"en": "L"}
           }
         ]