HierarchicalAlternative

alternativeId
Type: stringFormat: uuid

A unique id for a hierarcical alternative.
orderNumber
Type: integer | string Pattern: ^-?(?:0|[1-9]\d*)$Format: int32

Order the alternatives.
parentAlternativeId
Type: null | stringFormat: uuid

Reference to a parent AlternativeId. This is used to create a hierarchical structure.
titles
Type: array object[] · Title[]

All titles for the alternative
- languageCode
  Type: string
  required
  
  The language code in BCP 47 format.
- title
  Type: string
  required
  
  Title as text