<Loop type=learndash_student id=current >
  <If loop type="sfwd-courses" enrolled="true">
    <List available-courses>
      <Loop type="learndash_course" enrolled="true" completion_status="started">
        <Item><Field id /></Item>
      </Loop>
    </List>
    <List course-list>
      <Loop type=learndash_user_activity activity_event=started activity_status="started" orderby=activity_updated>
        <Set logic=course-exists all="true">
          <If check="{Get list=available-courses}" includes value="{Field course_id}">true<Else />false</If>
          <If field=activity_type value=course>true<Else />false</If>
        </Set>
        <If logic=course-exists><Item><Field course_id /></Item></If>
      </Loop>
    </List>
    <Set latest_course_id>
      <If list=course-list>
        <Loop list=course-list count=1><Field /></Loop>
        <Else />
        <Loop type="learndash_course" enrolled="true" completion_status="open,started" count=1><Field id /></Loop>
      </If>
    </Set>
  </If>
</Loop>