diff --git a/data/structures/_types.yml b/data/structures/_types.yml
index 8e0c7f1..f50f121 100644
--- a/data/structures/_types.yml
+++ b/data/structures/_types.yml
@@ -70,6 +70,7 @@ types:
       icon:
       force:
       order:
+      outline:
   messages:
     - title:
       icon:
diff --git a/exampleSite/data/structures/_types.yml b/exampleSite/data/structures/_types.yml
index 17c5a47..976b8f4 100644
--- a/exampleSite/data/structures/_types.yml
+++ b/exampleSite/data/structures/_types.yml
@@ -74,6 +74,7 @@ types:
       icon:
       force:
       order:
+      outline:
   messages:
     - title:
       icon: