You might have to do a work around to achieve this behaviour, as i dont think there is a direct way to link ‘n’ and ‘n-1’ process instances…
If i assume your process is invoked by broker document, write a logic before publishing to see if all the instances are completed…
Invoke pub.monitor.process.instance:getRecentlyCompleted service to list the recently completed process instances…
HTH
Senthil
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