diff --git a/offliner-definition.json b/offliner-definition.json
index 98091e5..3281324 100644
--- a/offliner-definition.json
+++ b/offliner-definition.json
@@ -128,5 +128,35 @@
       "title": "Illustration",
       "description": "URL for ZIM illustration. Freecodecamp default logo if missing"
     }
-  }
+  },
+  "zimMetadata": [
+    {
+      "metadata": "Name",
+      "flag": "name"
+    },
+    {
+      "metadata": "Title",
+      "flag": "title"
+    },
+    {
+      "metadata": "Description",
+      "flag": "description"
+    },
+    {
+      "metadata": "LongDescription",
+      "flag": "long_description"
+    },
+    {
+      "metadata": "Creator",
+      "flag": "creator"
+    },
+    {
+      "metadata": "Publisher",
+      "flag": "publisher"
+    },
+    {
+      "metadata": "Illustration",
+      "flag": "illustration"
+    }
+  ]
 }