The below step are given with considering report already exist. Not for new report.
Step1: Select report and go to design mode.
Step2: Create c/al global variable. Example: Status := Boolean
Step3: Now go to View -> Report Page
Step4: Set SourceExp=c/al global variable, name=any name and caption = which you want to see as a label
Step5: Go to code method onprereport/initreport and show as a message
Example: message(format(status));
Step6: Now run the report and check parameter has set. Checked or unchecked your status and see the message.
Enjoy.......................
*This post is locked for comments