> For the complete documentation index, see [llms.txt](https://docs.k2geospatial.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.k2geospatial.com/en2/administrator/jmap-server-administrator-manual/layers/jmap-extensions.md).

# JMap extensions

Some [JMap Server extensions](/en2/administrator/jmap-server-administrator-manual/jmap-server-extensions.md) require the configuration of specific parameters at the layer level. To access the extension configuration interface, press ![](https://2098443701-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcA9CuUnY5hTYroiPhD1w%2Fuploads%2Ft5X302jDB81NqsbQyky9%2Fclip0058.png?alt=media\&token=69415620-e93c-4645-aa34-dc7a6dad02d7) and then the name of the extension. Once the settings are configured, press **Save**.