Example Function Module MEASUREM_POINT_UPD_PYEAR 
Function module:
MEASUREM_POINT_UPD_PYEARYou want to dynamically change the annual performance of a counter:
- For example, if you want to enter a counter reading, a customer-defined program should automatically update the estimated annual performance in the system.
- A customer-defined forecast program should run periodically or for a specific reason in order to update the annual performance of several counters.