Returns an issue list containing issues which are directly under current issue's epic (i.e., stories are included in the output, but their sub-tasks are not).
The current issue's epic is obtained using the logic of function epic() .
The current issue is included in the output, except if it is an epic itself.
issuesUnderEpic() #Output: Issue list
The function returns an ISSUE LIST containing issues which are directly under the epic of issues in argument issues. Duplicated issues are filtered from the output.
issuesUnderEpic(issue list issues) #Output: Issue list
Returns an ISSUE LIST containing issues which are directly under the epic of issues with keys in argument issue_keys.
Argument issue_keys is a comma-separated list of issue keys. Duplicated issues are filtered from the output.
issuesUnderEpic(text issue_keys) #Output: Issue list