How to get sub-task for stories under epic

I have a custom field Dev estimation.
I would like the Epic level to show the sum of Dev estimation of sub-tasks of all stories under the epic.

image

I tried this but have no luck.

CASE WHEN [Measures].[Issue type] = "Sub-task"  THEN
 [Measures].[Issue Dev Estimation].Value

ELSE

 Sum(
     Filter( [Issue].[Issue].GetMembersByKeys(
        [Issue].CurrentHierarchyMember.Get('Sub-task keys'))
     ,
     DateInPeriod(
       ([Measures].[Transition to status last date]
         ,[Transition Status].[Done]),
         [Time].CurrentHierarchyMember
   ) 
   AND 
   ( 
     ( [Measures].[Issue type] = "Sub-task")
     AND 
     [Measures].[Issue status] = "Done"
   )
   
   ),[Measures].[Issue Dev Estimation]) 

END   

Hi @Patra_Pantupat,

The aggregation stops at the Parent issue level because Epic does not have the property “Sub-task keys”.

If you only add the “Dev estimation” value to the sub-tasks, you might import it as a measure, which will automatically aggregate over the hierarchy.
Otherwise, if you have separate “Dev estimation” values for the Parent and Epic issues and you only want the values of sub-tasks, you might iterate through the Epic hierarchy and sum the values of relevant sub-tasks.

You might be able to do that with the following expression.

Sum(
 Filter(
--set of underlying sub-tasks within the hierarchy
  DescendantsSet([Issue].CurrentHierarchyMember,
                 [Issue].CurrentHierarchy.Levels('Sub-task')),
--filtering conditions
--1)done-sub-tasks
  [Measures].[Issue status] = "Done"
  AND
--2)moved to done in the current report context  
  DateInPeriod(
        ([Measures].[Transition to status last date],
         [Transition Status].[Done]),
        [Time].CurrentHierarchyMember)
 ),
--value for sum
  [Issue].CurrentHierarchyMember.Get('Dev Estimation')
)

Regards,
Oskars / support@eazyBI.com

1 Like

Thank you. That works!!!

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