I’m using the verbx exit mainly to format my own personal control blocks the 
BLSQMDEF BLSQMFLD and BLSQLSHDR macros and format service I’m not sure if it’s 
available under Rexx while  the service  might be the macros are assembler I 
could maybe have the Rexx call an assembler program for that particular task 

Thanks 

> On Oct 10, 2023, at 12:01 AM, Jon Perryman <jperr...@pacbell.net> wrote:
> 
> On Mon, 9 Oct 2023 10:40:11 -0400, Joseph Reichman <reichman...@gmail.com> 
> wrote:
> 
>> I would like to issue an IPCS subcommand (in an exit) 
>> 
>> IP CBF RTCT
>> 
>> 2. The STACK service and the TSO/E EXEC command can be used to queue
>> subcommands and CLISTs, respectively, to be processed by IPCS immediately
>> after completion of the current subcommand
> 
> IPCS exits have access to a small subset of IPCS commands through IPCS exit 
> services. If I remember correctly, CBFORMAT is one of those services which 
> gives you access to IP CBFORMAT. It should be documented in the IPCS 
> Customization.
> 
> An important IPCS exit service is NOTE which should be used to display lines. 
> Using non-IPCS macros may appear to work, they are not compatible with all 
> environments. For instance, WTO will display the line on the TSO terminal but 
> in batch but will not display in the ISPF IPCS dialog.
> 
> You should avoid exec and "STACK service" (which I believe is "TSO/e STACK 
> service"). If you are familiar with REXX, think about the problems in using 
> push/pull to communicate.
> 
> My suggestion is to REXX execs. When an IPCS exit is needed, then use the 
> IPCS equate service to pass information back to the REXX exec which will use 
> IP LISTSYM to grab the information. It still processes after the command 
> finishes but without the TSO stack pitfalls.It also allows you to issue 
> commands not supported by exit services and you SYSOUTTRAP output generated 
> by IPCS commands (If I remember correctly).
> 
> 
> 
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