Display Morein the DAT file create two arrays that contain list of descriptions - one for input signals, one for output signals.
Long tests are not accessible to KRL but you can get the descriptions from WoV, or from smartPad use menu StartUp>Service>Long texts.
then in the message subprogram, pass either SIGINF or its elements TYP and IDX.
this will allow you to pick correct array and description from array.
then embed it into your message.
After reading the user manual, I noticed that SIGINF is for finding the actual IO from a defined SIGNAL name.
My problem is that, I want to give the defined SIGNAL name for IO as a string to the message command. I need a string finally.