ServiceComponentDescriptor
| R2+ Attributes | Qualifier | Cardinality | Content | Description | Producer | Consumer | ETSI IFA014 |
| invariantId | M | 1 | string | Constant identifier of the Service Component model | SDC | SDC/UUI/VFC | nsdInvariantId |
| Id | M | 1 | string | Versioned identifier of the Service Component model (this uuid is changed for every major version of the service component) | SDC | SDC/UUI/VFC | nsdIdentifier |
| name | M | 1 | string | The name of the service component | SDC | SDC/UUI/VFC | nsdName |
| description | M | 1 | string | The description of service component | SDC | SDC/UUI/VFC | |
| version | M | 1 | string | The version of service component | SDC | SDC/UUI/VFC | version |
| designer | M | 1 | string | The designer of service component | SDC | SDC/UUI/VFC | designer |