# `SN001` Format is YAML

The requirements, functional tests and comments will be written in the YAML format.

Other formats will be supported as alternative inputs.
For example, for the PDF output, other formats can already be used:
  - JSON
  - XML
  - TOML


:::{dropdown} Tested by
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[`TF001` Writing requirements as text](/tests/TF001)
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:::{dropdown} References
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__Relates to:__
[`SF001` Write requirements](/requirements/SF001)

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