Hello Rafi,
There are a number of different ways to add information to the report. The easiest thing that you can do is make use of the step result property, "Step.Result.ReportText". By default, it is set to NULL. If it is populated with any data (in the form of a string), it will display the result in the report automatically for you. You can use the Str function in the expression browser to convert numeric data into a string. Take care and good luck!
Regards,
Aaron B.
National Instruments