DITA Resource Center

<metadata>

The <metadata> section of the <prolog> contains information about a topic such as audience and product information. Metadata can be used by computational processes to select particular topics or to prepare search indexes or to customize navigation. Elements inside of <metadata> provide information about the content and subject of a topic; <prolog> elements outside of <metadata> provide lifecycle information for the content unit (such as the author or copyright), which are unrelated to the subject.
Beginning with DITA 1.2, the <metadata> element is available inside <topicmeta> in maps, although the contents of <metadata> are still available directly inside <topicmeta>. As with the <prolog>, the <metadata> element within <topicmeta> allows you to group elements that describe the content or subject of the target. The primary purpose for enabling the <metadata> element within maps is to allow easier reuse between topics and maps.

Content models

See appendix for information about this element in OASIS document type shells.

Inheritance

- topic/metadata

Example

Metadata within a topic:

<prolog>
  <metadata>
    <audience type="user" job="using" experiencelevel="novice"/>
  </metadata>
</prolog>

Metadata within a map:

<topicref href="metadata.dita" navtitle="metadata element">
  <topicmeta>
    <metadata>
      <keywords>
        <indexterm>metadata element</indexterm>
      </keywords>
    </metadata>
  </topicmeta>
</topicref>

Attributes

The following attributes are available on this element: Universal attribute group and @mapkeyref.

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