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# Metadata #
The PDF specification contain two types of metadata, the newer XMP
(Extensible Metadata Platform, XML-based) and older `DocumentInformation` dictionary.
The PDF 2.0 specification removes the `DocumentInformation` dictionary.
Currently, the following methods on `fpdf.FPDF` allow to set metadata information
in the `DocumentInformation` dictionary:
- [`set_title()`](https://py-pdf.github.io/fpdf2/fpdf/fpdf.html#fpdf.fpdf.FPDF.set_title)
- [`set_lang()`](https://py-pdf.github.io/fpdf2/fpdf/fpdf.html#fpdf.fpdf.FPDF.set_lang)
- [`set_subject()`](https://py-pdf.github.io/fpdf2/fpdf/fpdf.html#fpdf.fpdf.FPDF.set_subject)
- [`set_author()`](https://py-pdf.github.io/fpdf2/fpdf/fpdf.html#fpdf.fpdf.FPDF.set_author)
- [`set_keywords()`](https://py-pdf.github.io/fpdf2/fpdf/fpdf.html#fpdf.fpdf.FPDF.set_keywords)
- [`set_producer()`](https://py-pdf.github.io/fpdf2/fpdf/fpdf.html#fpdf.fpdf.FPDF.set_producer)
- [`set_creator()`](https://py-pdf.github.io/fpdf2/fpdf/fpdf.html#fpdf.fpdf.FPDF.set_creator)
- [`set_creation_date()`](https://py-pdf.github.io/fpdf2/fpdf/fpdf.html#fpdf.fpdf.FPDF.set_creation_date)
- [`set_xmp_metadata()`](https://py-pdf.github.io/fpdf2/fpdf/fpdf.html#fpdf.fpdf.FPDF.set_xmp_metadata), that requires you to craft the necessary XML string
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