Deliver - Task query

Products

• Deliver

Issue/Introduction

Can you please clarify for me that in the below, that the output goes to SYSOUT class W?

Also, what is the purpose of SYSIN?

//EXPRESS3 JOB MSGLEVEL=1                                             
//JESDS    OUTPUT JESDS=ALL,CLASS=W,ROOM=1234,NAME='JOHN DOE'     
//EXPRESS3 EXEC  EXPRESS3                                             
XXEXPRESS3 EXEC PGM=EBCDRV,REGION=1024K,TIME=1440,                    
XX          PARM=('XMSSYS1B,RMOAPPL=EXPRESS3,USERMAX=30,VTAMPASS=YES',
XX          'RMOVTDB=DLVR.SYSTEM1')                                
XXSYSPRINT DD  SYSOUT=W <----- MESSAGE LOG (NEW, OUTPUT REQUIRED WHEN 
XX*                            SUBMITTING DUMP TO LEGENT TECH SUPPORT)
XX*                                                                   
XXEBCUDUMP DD  SYSOUT=A <----- INTERNAL DUMP OUTPUT (NEW, OUTPUT      
XX*                            REQUIRED WHEN SUBMITTING DUMP TO LEGENT
XX*                            TECH SUPPORT)                          
XX*                                                                   
XXSYSUDUMP DD  SYSOUT=W <----- MVS DUMP OUTPUT (OPTIONAL, MVS DUMP CAN
XXSYSIN    DD  DSN=dlvr_hlq.RMOXMSIN(RMOXMSI3),DISP=SHR             

Environment

Release : 14.0

Component : CA Deliver

Resolution

The task in question is a Deliver EBCDRV XMS interface task. 

The task was writing //SYSPRINT to sysout class W. 

The purpose of //SYSIN DD is to point to the file that contains the XMS task parameters.