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Automate custom field sum in epic from other cutom field in Childs

Hakima Bilal

Hello,

I would like to know how I can sum the value of the custom field "# of major comments" from all the childs of an epic, and store the sum result in the custom field "# Total major comments" for Jira Data Center instance, using automation rule or Scriptrunner.

Thank you in advance

Accepted answers

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Trudy P Claspill

Hello @Hakima Bilal

Welcome to the Atlassian community.

The following post asks about summing up Story points, but I believe you can use the same logic with your custom fields.

https://community.atlassian.com/t5/Automation-questions/How-to-automate-the-sum-of-story-points-for-all-issues-under-the/qaq-p/1607809

Answer by @Gareth Cantrell

John Funk

Hi Hakima - Welcome to the Atlassian Community!

You should be able to create an Automation Rule to do this.

Follow this guide in the Automation Rules playground and let us know if you run into any problems.

https://www.atlassian.com/software/jira/automation-template-library/rules#/rule/9919294

Matthew Mallard_m7eijj

I don't believe that's true. Custom fields cannot be summed using the normal .sum functionality

John Funk

If they are number fields, yes they can.

Matthew Mallard_m7eijj

I thought the same thing but ended up having to resort to a workaround using "Send web request" action. More details found here: https://community.atlassian.com/forums/Jira-articles/Automation-for-Jira-Send-web-request-using-Jira-REST-API/ba-p/1443828

This is Jira Datacenter, not cloud. For Cloud, .sum of custom number fields works fine, so I'm told.

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