Defining Required Fields
To define the input field of a parameter as a required field, you use the following syntax:
PARAMETERS <p> ...... OBLIGATORY ......
When you use this option, a question mark appears in the input field for parameter <p>.The user cannot continue with the program without entering a value in this field on the selection screen.
REPORT DEMO.
PARAMETERS FIELD(10) OBLIGATORY.
The selection screen looks as follows:
