tencent cloud

// 初始化群属性
groupManager.initGroupAttributes(groupID: "groupID", attributes: {
    "attr1":""
  });

// 设置群属性
groupManager.setGroupAttributes(groupID: "groupID", attributes: {
    "attr1":""
  });

// 删除群属性
groupManager.deleteGroupAttributes(groupID: "groupID", keys: ['attr1','attr2']);

// 获取群属性
V2TimValueCallback<Map<String, String>> attrs = await groupManager.getGroupAttributes(groupID: "groupID");

TencentImSDKPlugin.v2TIMManager.addGroupListener(listener: V2TimGroupListener(onGroupAttributeChanged: (groupID, groupAttributeMap) {
    // 群属性变更
  },));