# Metadata <img align="right" width="73" height="45" src="https://raw.githubusercontent.com/tskit-dev/administrative/main/logos/svg/tskit-rust/Tskit_rust_logo.eps.svg">

Tables may contain additional information about rows that is not part of the data model.
This metadata is optional.
Tables are not required to have metadata.
Tables with metadata do not require that every row has metadata.

The next sections showcase the metadata API.
