Created by Jerry Wang on Jul 08, 2014
since in normal case, the optional parameter im_tracelevel is not filled,
so in order to switch on trace mode, we need to manually enable it. First force the ABAP debugger to execute line 10 by shift+F12:
Click F5 to go inside method START, assign a value to the variable level which is bigger than 1, and maintain a trace ID:
once done, the rule evaluation will be traced.
The meaning of constant G, H and X is defined within local class LCL_TRACE: