Displaying of Data to Be Reported in ABAP List-Based PI Sheets 
Use
The values entered and calculated in a PI sheet are displayed on the overview screen of the PI sheet.
For each of these values, a process message exists that is used to report the value to process management. To obtain more detailed information about the individual messages, you can display a detail screen for each of them containing the following information:
See:
Displaying Process Messages in ABAP List-Based PI Sheets