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Count Number of Subtasks and put on parent's custom field


I'm currently working on burnup chart to see the count of subtasks of each story.

So, I'm thinking about automate the count of subtasks each time a subtasks created, then put it on Custom Field of the parent, let's say `Number of Tasks`.

I've been looking and didn't found any beginner advise how to do this. Any help will be appreciated 

2 answers

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Answer accepted

Something like this should work in a number Script Field to count the number of subtasks for each issue. 

if (issue.getIssueType().name != "Sub-task") { // only calculate this for non-subtask issues
def subTaskSum = 0
issue.getSubTaskObjects()?.each { subtask -> // go through all subTask issues
subTaskSum += 1
return subTaskSum



Works great, thanks Josh

@Joshua Yamdogo _ Adaptavist This is great! 

Is it possible to filter this to only count specifically depending on subtask issue type?

Like Benjamin Dorsey likes this

How can we modify to count only sub-tasks of certain status? 


You have to use the Scriptrunner plugin to create a plugin which runs on issue created event.

The script should be able to fetch the links using the issueLinkManager. The getOutwardLinks() method will fetch you all the child links for that specific issue.


Hi Praveen,

Thanks for the reply. And yes, I do eventually use Script Runner. What I've been doing is creating new custom field that automatically fetch the child / subtasks of current issue and you can further filter is for resolved only.

But I didn't use the issueLinkManager, can you give me some example so that this might be one of the alternative, hopefully more efficient, answer


I hope you are using the post function script for this. Please check this for some example.


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