1 files changed, 6 insertions, 1 deletions

diff --git a/schema.yml b/schema.yml
index 0cbc85d..b7542f9 100644
--- a/schema.yml
+++ b/schema.yml
@@ -38,7 +38,12 @@ components:
           description: ISO 8601 interval describing when this train composition dataset is valid
         train:
           type: object
-          description: dict mapping train numbers to train objects
+          description: dict mapping train numbers to probably valid train objects
+          additionalProperties:
+            $ref: '#/components/schemas/train'
+        train_variants:
+          type: object
+          description: dict mapping train numbers to list of possible train objects
           additionalProperties:
             type: array
             items: