Tree is a hierarchical navigational control based on a SQL query executed at runtime.

Set Tree as the Region type.

select case when connect_by_isleaf = 1 then 0 when level = 1 then 1 else -1 end as status,
        level,
        TASK_NAME as title,
        'icon-tree-folder' as icon,
        id as value,
        TASK_NAME as tooltip,
        null  as link 
   from EBA_UT_CHART_TASKS
  start with PARENT_TASK is null
connect by prior PROJECT = PARENT_TASK
  order siblings by TASK_NAME