IMSBKO

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           .-Y-.   
>>-IMSBKO=-+-N-+-----------------------------------------------><

IMSBKO
Specifies whether or not a dynamic backout is to be performed when an IMS™ pseudoabend occurs in a ZDT/IMS function running in DLI mode.
Y
A dynamic backout is performed when an IMS pseudoabend occurs in a ZDT/IMS function running in DLI mode.

If you specify IMSBKO=Y, users will be able to use the UNDO or CANCEL command when editing a database in DLI mode.

N
A dynamic backout is not performed when an IMS pseudoabend occurs in a ZDT/IMS function running in DLI mode.

This parameter only takes effect when the ZDT/IMS function is running with an IMS log data set.

This parameter is optional. If it is not specified on the HFM1POPI macro statement, ZDT/IMS uses either the value specified on the HFM1POPD macro statement (if specified on that statement), or Y (otherwise).

If you do not want the user to override the value you specify for this parameter, set UIMSBKO=N.