CaptionMetadataVariablePreference
The CaptionMetadataVariablePreference element in IDML: where it appears (designmap), its 3 attributes, their values, and how real documents use them.
CaptionMetadataVariablePreference appears in 266 of the 305 documents surveyed (87.2%), most often in designmap. Paged does not read this element yet.
Where it appears
designmap· 266 documents
Inside: TextVariable
Attributes
| Attribute | Values | Seen in | Paged |
|---|---|---|---|
| MetadataProviderName | builtin | 100% | not read |
| TextAfter | — | 100% | not read |
| TextBefore | — | 100% | not read |
Values are listed only where real documents use a small, closed set; the number after each is how many documents use it. “Seen in” is the share of documents containing CaptionMetadataVariablePreference that set the attribute.
Counts come from a survey of 305 IDML documents (2026-10-11); only aggregate facts are published. Paged’s support is read from its importer and exporter source, and the typed properties from the engine catalog.