为啥websocket创建没有 data.chat_config.parameters参数

package com.coze.openapi.client.websocket.event.model;

import com.fasterxml.jackson.annotation.JsonProperty;
import java.util.Map;

public class ChatConfig {
@JsonProperty("conversation_id")
private String conversationId;
@JsonProperty("user_id")
private String userId;
@JsonProperty("meta_data")
private Map metaData;
@JsonProperty("custom_variables")
private Map customVariables;
@JsonProperty("extra_params")
private Map extraParams;
@JsonProperty("auto_save_history")
private Boolean autoSaveHistory;