File Content Extraction 25.4
Filter SDK C++ Programming Guide

# empty

Returns a Boolean value that specifies whether there are any metadata elements in the list. (File Content Extraction can return an empty list if a document has no metadata or if metadata is not supported for that file format).

## Syntax

    bool empty() const noexcept;

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Version 25.4 | Last updated October 2025

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Product: File Content Extraction 25.4

Topic Title: empty