Update summed up value in parent issue on field change in sub-tasks

Field Changed Event

Create a new rule and name it appropriately.

Providing a description will help you to identify what the rule does but this step is optional.

Add a trigger and choose the Field Changed Event

Choose Number Field in Fields* and Any value in Changed to*

No further configuration needed. The automation rule is triggered every time an issue is being transitioned.

Issue Selector

Add Selector → Issue Selector

Target Issue(s)*: Parent Issue

Update Field

Add Action → Update Field

Field*: Number Field

Update to*: Value returned by parsed expression

Parser Expression*

Set it to Advanced and use the following expression:

sum(fieldValue({issue.cfNNNNN}, subtasks()))

NNNNN is the field code for the field to be summed up.

Activate the rule by clicking on the Activate rule button →

Screencast

This is how the configuration above should look on your screen

Related examples

Title		Automated action	Label	Parser functions	Style guide	Tech review	Workflow function
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Add components of the epic to the current issue	Status	Update field action			TODO	TODO
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Notify for high priority issue	Status	Send email action			DONE	DONE
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Send email when a field is updated	Status	Send email action			TODO	TODO
Notify the assignee one week before the due date	Status	Send email action			TODO	TODO
Sum up value in parent issue on field change in sub-tasks	Status	Update field action		fieldValue() sum() subtasks()	DONE	DONE
Close epic when stories are done	Status	Transition issue action		count() filterByStatus() issuesUnderEpic()	DONE	DONE
Automatically close parent when all sub-tasks are done	Status	Transition issue action	STAFF PICK	count() filterByStatus() siblingSubtasks()	DONE	DONE
Create issue link when issue is created	Status	Create issue link action		issuesFromJQL()	DONE	TO DO
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Add comment after seven days in the same status	Status	Add comment action			TODO	TODO
Delete the attachments of an issue 30 days after closing it	Status	Update field action			DONE	DONE
Add sub-tasks to an automatically created issue		Create issue action		getMatchingValue()			Create issue
Keep calculated custom field in sync	Status	Reindex issue action	STAFF PICK		NEEDS REVIEW	NEEDS REVIEW
Reindex issue on custom field update	Status	Reindex issue action			NEEDS REVIEW	NEEDS REVIEW
Reindex linked issues	Status	Reindex issue action			NEEDS REVIEW	NEEDS REVIEW
Scheduled project reindex	Status	Reindex issue action			NEEDS REVIEW	NEEDS REVIEW
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Create sub-tasks depending on selected values in a custom field	Status	Create issue action		toStringList()	DONE	DONE
Assign issues to your team during a transition	Status	Assign issue action		isInGroup()	DONE	DONE
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