An external reference.
| Field | Type | Required | Description | Example |
|---|---|---|---|---|
type |
Optional<ExternalReferenceType> | ➖ | Type of the external system. | Cvent Salesforce App |
id |
Optional<String> | ➖ | The identifier of the external system. | 0000X123sfjhooks |
referenceId |
Optional<String> | ➖ | The identifier of an attendee in the external system. | 000X123jhooks |