implemented the parsing of the trace file named as discussed.

    /* @desc Maximum allowed number of empty uplink frames from the On Board Unit (OBU) */

    modulepar integer PX_MAX_NUM_EMPTY_UPLINK_FRAMES:= 100;

    //<PowerLevel>_<OBUName>_<DutyCycle>_<RepNo>  

    template charstring word := pattern "[^_]+";

    template charstring filePattern := pattern "({word})_({word})_({word})_({word}).(*)";

    function parseFileName(in charstring p_FileName, out charstring p_Powerlevel, out charstring p_OBUName, out charstring p_DutyCycle, out charstring p_RepNo) runs on MtcType{

        p_Powerlevel := regexp(p_FileName, filePattern, 0);

//        log("p_Powerlevel= " & p_Powerlevel);

        p_OBUName := regexp(p_FileName, filePattern, 1);

//        log("p_OBUName " & p_OBUName);

        p_DutyCycle := regexp(p_FileName, filePattern, 2);

//        log("p_DutyCycle " & p_DutyCycle);

        p_RepNo := regexp(p_FileName, filePattern, 3);

//        log("p_RepNo " & p_RepNo);

    }

    type port TraceMsgPortType message{

        in PayloadStructure;

    }