diff --git a/example/doIt.py b/example/doIt.py
index 8ad9d4b..cdc849a 100644
--- a/example/doIt.py
+++ b/example/doIt.py
@@ -1,15 +1,16 @@
 #!/bin/env python
 
 import BlackDynamite as BD
 
 myrun, myjob = BD.getRunFromScript()
 
 print(myjob)
 
 myrun.start()
 
 for step in range(0, 10):
-    _quantity = myrun.id
+    _quantity = myrun.id*step
     myrun.pushScalarQuantity(_quantity, step, "ekin", is_integer=False)
+    myrun.pushScalarQuantity(_quantity*2, step, "epot", is_integer=False)
 
 myrun.finish()