OPC UA

opc ua (le) 27 endpoints graphql on /opcua/v2 manages the embedded opc ua server that re exposes devicehub tags to downstream opc ua clients run these endpoints open the opc ua folder on api litmus io https //api litmus io/view/2s9y5r1rvg#6bb95043 4e3d 458e 8088 9fb008a8ead3 this is distinct from the opc ua advanced client driver (used to read from external opc ua servers) the client driver lives under devicehub the server lives here sub areas folder purpose hierarchy browse and edit the opc ua address space the embedded server exposes management service config, endpoints, certificates, users connections currently connected opc ua clients typical operations hierarchy operation purpose getnoderoot read the root of the namespace getnodes(parentid) children of a node createnode add a node (folder or variable) deletenode remove importalldhtags bulk import every devicehub tag as an opc ua node importsomedevicehubtags selective import (by device or tag ids) clearallnodes wipe the address space management operation purpose getserviceconfiguration endpoint url, security policies, anonymous toggle updateserviceconfiguration edit startopcuaservice , stopopcuaservice lifecycle listusers , createuser , deleteuser server users (for username/password auth) getcertificate , regeneratecertificate server cert connections operation purpose listconnections currently connected clients disconnectclient force disconnect by session id see configure opc ua server workflow #