How to Run Multiple Instances of a Sub-Process for Each Item of an Array

shaoyongw over 9 years ago

I want to run multiple instances of a sub-process for each item of pv!dataArray. And for each instance, pass in one item of pv!dataArray as Input Variables. How to set the index? There is no tp!instanceIndex for a sub-process.

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PhilB over 9 years ago +4
Certified Lead Developer

You're able to use tp!instanceIndex as normal - just map pv!dataArray[tp!instanceIndex] as the input to the sub-process.
Christine over 9 years ago +2
Appian Employee

You should not need to set the index. If you run once for each value in the PV and mark the PV in the sub as a single (instead of multiple like it is in the parent), Appian will pass one at a time into…

0 PhilB
Certified Lead Developer
over 9 years ago

You're able to use tp!instanceIndex as normal - just map pv!dataArray[tp!instanceIndex] as the input to the sub-process.
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0 Christine
Appian Employee
over 9 years ago

You should not need to set the index. If you run once for each value in the PV and mark the PV in the sub as a single (instead of multiple like it is in the parent), Appian will pass one at a time into each instance of the sub.
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0 shaoyongw over 9 years ago

hi Christine, it throws an error to indicate the different types (multiple in parent and single in sub) when running.
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0 Christine
Appian Employee
over 9 years ago

Sounds like the run once selection is not set up right. Can you look at that?
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