Issues Hierarchy Settings
Use these optional settings to configure how Time Reports for Jira Server and Data Center aggregate hours into parent issues.
Composition Issue Link: Select an issue link (in addition to sub-tasks) to aggregate hours into the parent issue.
Parent Issue Type: Select the parent issue type for reports to aggregate hours into (you can specify your Jira Portfolio parent issue type here).
Default Worklog Visibility Group: Select the default groups to be set for Worklog Visibility.
Default Worklog Visibility Role: Select the default roles to be set for Worklog Visibility.