1 files changed, 12 insertions, 2 deletions
diff --git a/src/data/things/additional-name.js b/src/data/things/additional-name.js
index b96fcd50..99f3ee46 100644
--- a/src/data/things/additional-name.js
+++ b/src/data/things/additional-name.js
@@ -1,15 +1,25 @@
+import {input} from '#composite';
 import Thing from '#thing';
 
-import {contentString, simpleString, thing} from '#composite/wiki-properties';
+import {exposeConstant} from '#composite/control-flow';
+import {contentString, thing} from '#composite/wiki-properties';
 
 export class AdditionalName extends Thing {
-  static [Thing.getPropertyDescriptors] = ({}) => ({
+  static [Thing.getPropertyDescriptors] = () => ({
     // Update & expose
 
     thing: thing(),
 
     name: contentString(),
     annotation: contentString(),
+
+    // Expose only
+
+    isAdditionalName: [
+      exposeConstant({
+        value: input.value(true),
+      }),
+    ],
   });
 
   static [Thing.yamlDocumentSpec] = {