Specifies the cycle interval options for item shipment.
| Member | Value | Description |
|---|---|---|
| Daily | 0 | Every day. |
| Weekly | 1 | Every week. |
| Monthly | 2 | Every month. |
| Quarterly | 3 | Every 3 months. |
| Semiannually | 4 | Every half year. |
| Annually | 5 | Every year. |
| OneTime | 6 | Single time. |