diff --git a/schema/map/MapBase.schema b/schema/map/MapBase.schema
index cee32713d878b55ced8fb479e35754d5170d4f44..9fb4b5719b73e9a0fbb6a66b66550b722c94619e 100644
--- a/schema/map/MapBase.schema
+++ b/schema/map/MapBase.schema
@@ -7,4 +7,8 @@ plugin:
   _mandatory: false
   _type: string
   _default: core
-  _doc: Name of the wolf plugin where the map type is implemented.
\ No newline at end of file
+  _doc: Name of the wolf plugin where the map type is implemented.
+filename:
+  _mandatory: false
+  _type: string
+  _doc: Optional. Absolute path of the YAML file containing the landmarks.
\ No newline at end of file