Usage type (content item)
An ONIX code specifying a usage of a content item within a digital content item. Mandatory in each occurrence of the <EpubUsageConstraint> composite, and non-repeating.
| Format | |
|---|---|
| ReferenceName | <EpubUsageType> |
| ShortTag | <x318> |
| Cardinality | 1 |
| Example |