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Specifies the time interval between checkpoints when the Edit/Browse BMP is waiting for a response from the user. The time interval is represented as zoned decimal digits of the form MMSS, where MM is minutes and SS is seconds.

The specified time interval must not be greater than 60 minutes and SS must be in the range 00 to 59.

If you specify 0000, then the BMP does not issue checkpoints when waiting for a response from the user.

CHKPINTVL equal to a non zero value is incompatible with each of these settings:

If you specify CHKPINTVL equal to a nonzero value and one or more of these incompatible settings, ZDT/IMS uses your CHKPINTVL setting and ignores the incompatible settings, using these compatible settings instead:

The CHKPINTVL 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 "0000" otherwise.

The user cannot override the value you specify for this parameter.