Operations with field values from sub-tasks

Return the result of summing the multiplication of the field values of two Number fields in every sub-task of the current work item.

Configuration

Create a Custom smart number field and use the Jira expression parsing mode.

CODE

issue.subtasks.length && issue.subtasks.map( s => (s.customfield_nnnnn || 0) * 
(s.customfield_ppppp || 0)).reduce((a, b) => a + b)

Please, replace nnnnn and ppppp in the above expression with the IDs of the Number fields.

Default