diff --git a/js/SimVersion.js b/js/SimVersion.js
index c7c3cb76c..e371e2e5f 100644
--- a/js/SimVersion.js
+++ b/js/SimVersion.js
@@ -125,6 +125,14 @@ const assert = typeof module !== 'undefined' ? require( 'assert' ) : window && w
                this.testType );
     }
 
+    /**
+     * @returns {boolean}
+     * @public
+     */
+    get isSimPublished() {
+      return !this.isSimNotPublished;
+    }
+
     /**
      * Takes a serialized form of the SimVersion and returns an actual instance.
      * @public