ArangoDB v3.13 is under development and not released yet. This documentation is not final and potentially incomplete.
Foxx reference
Each Foxx service is defined by a JSON manifest specifying the entry point, any scripts defined by the service, possible configuration options and Foxx dependencies, as well as other metadata. Within a service, these options are exposed as the service context, which is also used to mount routers defining the service’s API endpoints.
Foxx also provides a number of utility modules as well as a flexible sessions middleware with different transport and storage mechanisms.
Foxx services can be installed and managed over the Web-UI or through ArangoDB’s HTTP API.