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How to display value of an exit parameter on the console?

 
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lind sh

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Joined: 04 Feb 2015
Posts: 27
Location: Tajikestan

PostPosted: Sun Oct 09, 2016 12:28 pm    Post subject: How to display value of an exit parameter on the console?
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Suppose I write the following code:
Code:
*                                                                     
         DFHUEXIT TYPE=EP,ID=(XXMATT)                                 
ME01XMAT CSECT                                                         
ME01XMAT AMODE 31                                                     
ME01XMAT RMODE ANY                                                 
*#                                                                     
         SAVE  (14,12)                                   
         LR    12,15                                                   
         USING ME01XMAT,12                 
         LR    2,1                                                     
         USING DFHUEPAR,2             

**********************************************************             
         LA    5,UEPTRANID                                             
         WTO   TEXT=(5)                                               
         WTO   'Exit point of XXMATT !!!'                     

**********************************************************
RETURN   DS    0H                         
         L     13,UEPEPSA             
         RETURN (14,12),RC=UERCNORM     
                               
         SPACE                                                 
SAVE     DS 18F                                               
         END   ME01XMAT                                       

I expect to see the transaction name on the console when any transaction attached. The last WTO display my message correctly but I can't see the value of point that UEPTRANID has it's address.
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Marso

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Joined: 13 Mar 2006
Posts: 1235
Location: Israel

PostPosted: Sun Oct 09, 2016 5:44 pm    Post subject: Reply to: How to display value of an exit parameter on the console?
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When using the format WTO TEXT=(5) then the area must include the length in the 1st half word.
Here is an example:
Code:
         MVC   MYTRANS,UEPTRANID
         LA    5,WTOTRANS
         WTO   TEXT=(5)                                               

         ...

WTOTRANS EQU   *
         DC    AL2(L'MYTRANS)
MYTRANS  DS    CL4


(Code not validated)
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lind sh

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Joined: 04 Feb 2015
Posts: 27
Location: Tajikestan

PostPosted: Sun Oct 16, 2016 11:56 am    Post subject:
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UEPTRANID contains the address of a location which it's content is the 4 byte transaction ID.
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