In WBS Gantt-Chart for Jira, you can use Jira issue links to maintain the hierarchical relationships and dependencies of issues, and use Jira issues to maintain various data such as start and finish dates.
Jira Setting ⇒ Apps
Select Issue in WBS Gantt-Chart
Set the issue link type and Jira fields to be used in WBS Gantt-Chart for Jira.
If you have any questions please feel free to ask a member of the Atlassian community!
Add the tag "addon-jp.ricksoft.plugins.wbsgantt-for-jira" when you ask a question.