+- local: OBSOLETE SINCE FF (AGL6), PROVIDED FOR COMPATIBILITY
+ Use the feature **urn:AGL:widget:required-binding** instead.
+ The binding is a local shared object.
+ In that case, the name is the relative path of the
+ shared object to be loaded.
+
+- auto:
+ The framework set automatically the kind of
+ the connection to the API
+
+- ws:
+ The framework connect using internal websockets
+
+- dbus: [OBSOLETE, shouldn't be used currently]
+ The framework connect using internal dbus
+
+- tcp:
+ In that case, the name is the URI to access the service.
+ The framework connect using a URI of type
+ HOST:PORT/API
+ API gives the name of the imported api.
+
+- cloud: [PROPOSAL - NOT IMPLEMENTED]
+ The framework connect externally using websock.
+ In that case, the name includes data to access the service.
+ Example: `<param name="log:https://oic@agl.iot.bzh/cloud/log" value="cloud" />`
+
+### required-binding: feature name="urn:AGL:widget:required-binding"
+
+List of the bindings required by the widget.