Remove either the label use-case-smart-text or use-case-smart-number depending on the feature the use case is based on

Use case

Return the number of sub-tasks in the Done or Complete statuses of the Sub-task issue type.

Expression

Create and configure a Smart field using this expression in General parsing mode:

%{count(filterByIssueType(filterByStatus(subtasks(), "Done, Completed"), "Sub-task, Sub-story"))}

Please, note that by changing "Done, Completed" into other statuses  and "Sub-task, Sub-story" into other issue types, you can adapt this use case for your needs. 

Used parser functions

Feature

Field type

Smart text field

Parsing mode

General

Expression
%{count(filterByIssueType(filterByStatus(subtasks(), "Done, Completed"), "Sub-task, Sub-story"))}

Please, note that by changing "Done, Completed" into other statuses  and "Sub-task, Sub-story" into other issue types, you can adapt this use case for your needs. 

Label
Use case description

 Return the number of sub-tasks in the Done or Complete statuses of the Sub-task issue type.

Complexity