This API feature is currently work-in-progress. API features marked as work-in-progress are not considered stable, are not covered by the threat model, are not supported by the security team, and are subject to breaking changes. Do not use this feature without understanding each of the previous points.


[.xds.core.v3.ContextParams proto]

Additional parameters that can be used to select resource variants. These include any global context parameters, per-resource type client feature capabilities and per-resource type functional attributes. All per-resource type attributes will be xds.resource. prefixed and some of these are documented below:

xds.resource.listening_address: The value is “IP:port” (e.g. “”) which is

the listening address of a Listener. Used in a Listener resource query.

  "params": "{...}"

(repeated map<string, string>)