code: public static base_response update(nitro_service client, nshostname resource) throws Exception {
  		nshostname updateresource = new nshostname();
  		updateresource.hostname = resource.hostname;
  		updateresource.ownernode = resource.ownernode;
  		return updateresource.update_resource(client);
  	}
docs: Use this API to update nshostname.