code: public OvhOperation serviceName_output_elasticsearch_alias_aliasId_PUT(String serviceName, String aliasId, String description, String optionId) throws IOException {
  		String qPath = "/dbaas/logs/{serviceName}/output/elasticsearch/alias/{aliasId}";
  		StringBuilder sb = path(qPath, serviceName, aliasId);
  		HashMap<String, Object>o = new HashMap<String, Object>();
  		addBody(o, "description", description);
  		addBody(o, "optionId", optionId);
  		String resp = exec(qPath, "PUT", sb.toString(), o);
  		return convertTo(resp, OvhOperation.class);
  	}
docs: Update specified elasticsearch alias
  
  REST: PUT /dbaas/logs/{serviceName}/output/elasticsearch/alias/{aliasId}
  @param serviceName [required] Service name
  @param aliasId [required] Alias ID
  @param optionId [required] Option ID
  @param description [required] Description