| Offsets | Name | Length | Format | Description | |
|---|---|---|---|---|---|
| 0 | SMF99_CNAM | 8 | EBCDIC | Service class name. | |
| 8 | 8 | SMF99_CGRN | 8 | EBCDIC | Resource group name associated with the service class. This field is blank when there is no assigned resource group. |
| 16 | 10 | SMF99_CNUMP | 2 | binary | The number of periods in this service class. |
| 18 | 12 | SMF99_CINDEX | 2 | binary | Service class index. |