> For the complete documentation index, see [llms.txt](https://docs.ellipsis-drive.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ellipsis-drive.com/developers/api-v3/path-vector/vector-layer-properties.md).

# Vector Layer Properties

Features within the vector layer have both a geometry and properties. The properties a feature can have depend on the properties that are declared for the layer. In this section you can find how to declare new properties and alter old ones. 

When you upload a file to a layer for the first time, the properties found in the file are automatically added to the layer.