code: public function getAssignTypeAllowableValues()
      {
          return [
              self::ASSIGN_TYPE_CYCLIC,
              self::ASSIGN_TYPE_MANUAL,
              self::ASSIGN_TYPE_EVALUATE,
              self::ASSIGN_TYPE_REPORT_TO,
              self::ASSIGN_TYPE_SELF_SERVICE,
              self::ASSIGN_TYPE_STATIC_MI,
              self::ASSIGN_TYPE_CANCEL_MI,
              self::ASSIGN_TYPE_MULTIPLE_INSTANCE,
              self::ASSIGN_TYPE_MULTIPLE_INSTANCE_VALUE_BASED,
          ];
      }
docs: Gets allowable values of the enum
  @return string[]