Server.addWebsocketExtension
void addWebsocketExtension(gobject.types.GType extensionType)Add support for a WebSocket extension of the given extension_type.
When a WebSocket client requests an extension of extension_type, a new classWebsocketExtension of type extension_type will be created to handle the request.
Note that classWebsocketExtensionDeflate is supported by default, use [soup.server.Server.removeWebsocketExtension] if you want to disable it.
Parameters
extensionType | a #GType |