enrollments.yaml

            /do(
              $_id := update(top(study_enrollment.filter(id()=$study_enrollment)){
                id(),
                enrollment_date := $enrollment_date,
                enrollment_status := $enrollment_status
              }),
              with($visit_todo, do(
                for($v := $visit, with($v, update(top(visit.filter(id()=$id)){
                  id(),
                  status := $status
                }))),
                for($t := $todo, with($t, update(top(todo.filter(id()=$id)){
                  id(),
                  status := $status
                }))),
              )),
              for($v := /visit.filter(study_enrollment.id()=$study_enrollment &
                                      status='scheduled').id(),
                  create_todo($v)),
              {id := $_id}
            )