> For the complete documentation index, see [llms.txt](https://qiicr.gitbook.io/dcmqi-guide/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://qiicr.gitbook.io/dcmqi-guide/developer-guide/add-new-attribute-to-the-schema.md).

# Add new attribute to the schema

With the current architecture, it is not straightforward to add a new attribute to the schema, since numerous locations need to be updated. It might be most efficient to use past pull requests adding specific attributes as a guide. The following examples might be useful:

* add `SegmentLabel` to DICOM SEG: <https://github.com/QIICR/dcmqi/pull/376>