diff --git a/playground/nutech/timer1/timervariable-exampledata.json b/playground/nutech/timer1/timervariable-exampledata.json
index 5070270d..1151eae9 100644
--- a/playground/nutech/timer1/timervariable-exampledata.json
+++ b/playground/nutech/timer1/timervariable-exampledata.json
@@ -1,3 +1,4 @@
 {
+  "timeDuration": "PT1M",
   "myTimerVariable1": "PT1M"
 }
\ No newline at end of file