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Automated action

Update Field

Use case description

Calculate field values from all sub-tasks and writes the sum into a corresponding field in the parent issue.  

Complexity



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Use case

When a custom "Number field" is changed in a sub-task, a corresponding field in the parent issue, representing the sum of those field values, will be automatically updated.

The rule executes every time the field is being updated on a sub-task.


Don't want to use an automation rule? Just take a look at our example using calculated number fields and give it a try!



Field changed event



Add a Trigger → Field changed event


Fields*

Choose your custom Number Field


Changed to*

Choose Any value



Issue selector

Add Selector → Issue selector


Target Issue(s)*

Choose Parent Issue

 Update field action

Next to the Issue Selector click on Add → Action → Update field


Field*

Choose your custom Number Field


Update to* 

Choose Value returned by parsed expression


Parser Expression*

Set the mode to Advanced and enter the following Parser Expression

sum(fieldValue({issue.cf11502}, subtasks())) 
#Replace field code with the field code of your custom field. Use the field dropdown to automatically insert the field code


cf11502 is the field code for the custom number field to be summed up. The field code will differ in your instance.







Screencast

This is how the configuration above should look on your screen

You can get the same result by configuring a Calculated Number Field.

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