File Content Extraction 26.1
Filter SDK C++ Programming Guide

# The MetadataElement Class

Defined in: `Keyview_Metadata.hpp`

The `MetadataElement` class is the type returned by Document::metadata or Subfile::metadata to represent a single metadata item. The `MetadataElement` class has methods to inspect the name or type of the item, provide conversion to string for ease of transition from `metadata_map`, and to provide access to the item in its original type (by using a Visitor Pattern implementation).

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Version 26.1 | Last updated January 2026

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Product: File Content Extraction 26.1

Topic Title: The MetadataElement Class