This documentation is not using the current rendering mechanism and is probably outdated. The extension maintainer should switch to the new system. Details on how to use the rendering mechanism can be found here.
What does it do?¶
GeoPicker is helper extension for developers who needs to bring GPS coordinates into their own extensions. You don't need to handle geolocation yourself anymore, especially, when using it often in many extensions. Just add a dependency and concentrate on other aspects of development.