{
    "GroupId": "@TGS#2C5SZEAEF",
    "Random": 8912345, // 随机数字，五分钟数字相同认为是重复消息
    "MsgBody": [ // 消息体，由一个 element 数组组成，详见字段说明
        {
            "MsgType": "TIMTextElem", // 文本
            "MsgContent": {
            "Text": "red packet"
            }
        },
        {
            "MsgType": "TIMCustomElem", // 自定义
            "MsgContent": {
            "Data": "message",
            "Desc": "notification",
            "Ext": "url",
            "Sound":"dingdong.aiff"
            }
        }
    ],
}

// 拉取单聊历史消息
// 首次拉取，msg_getmsglist_param_last_msg 设置为 null
// 再次拉取时，msg_getmsglist_param_last_msg 可以使用返回的消息列表中的最后一条消息
var get_message_list_param = new MsgGetMsgListParam
{
    msg_getmsglist_param_last_msg = LastMessage
};
TIMResult res = TencentIMSDK.MsgGetMsgList(conv_id, TIMConvType.kTIMConv_C2C, get_message_list_param, (int code, string desc, string user_data) => {
// 处理回调逻辑
});

// 获取全部未读数
TIMResult res = TencentIMSDK.ConvGetTotalUnreadMessageCount((int code, string desc, GetTotalUnreadNumberResult unread, string user_data)=>{
 // 处理异步逻辑
});

// 未读计数变更通知
TencentIMSDK.SetConvTotalUnreadMessageCountChangedCallback((int total_unread_count, string user_data)=>{
 // 处理回调逻辑
});

// 清空所有会话的未读消息数
TIMResult res = TencentIMSDK.MsgMarkAllMessageAsRead((int code, string desc, string user_data)=>{
 // 处理异步逻辑
});

https://adminapisgp.im.qcloud.com/v4/all_member_push/im_push?usersig=xxx&identifier=admin&sdkappid=88888888&random=99999999&contenttype=json

{
    "From_Account": "admin",
    "MsgRandom": 56512,
    "MsgLifeTime": 120, // 离线保存120s（2分钟）
    "MsgBody": [
        {
        "MsgType": "TIMTextElem",
        "MsgContent": {
            "Text": "hi, beauty"
            }
        }
    ]
}

GroupGetMemberInfoListParam param = new GroupGetMemberInfoListParam
{
  group_get_members_info_list_param_group_id = "group_id",
  group_get_members_info_list_param_identifier_array = new List<string>
  {
    "user_id"
  }
};
TIMResult res = TencentIMSDK.GroupGetMemberInfoList(param, (int code, string desc, GroupGetMemberInfoListResult result, string user_data)=>{
 // 处理异步逻辑
});

{
    "CallbackCommand": "Group.CallbackBeforeSendMsg", // 回调命令
    "GroupId": "@TGS#2J4SZEAEL", // 群组 ID
    "Type": "Public", // 群组类型
    "From_Account": "jared", // 发送者
    "Operator_Account":"admin", // 请求的发起者
    "Random": 123456, // 随机数
    "OnlineOnlyFlag": 1, //在线消息，为1，否则为0；直播群忽略此属性，为默认值0。
    "MsgBody": [ // 消息体，参见 TIMMessage 消息对象
        {
            "MsgType": "TIMTextElem", // 文本
            "MsgContent": {
                "Text": "red packet"
            }
        }
    ],
    "CloudCustomData": "your cloud custom data"
}

{
    "ActionStatus": "OK",
    "ErrorInfo": "",
    "ErrorCode": 0 // 不同的ErrorCode有不同的含义
}

{
    "GroupId": "@TGS#2C5SZEAEF",
    "Random": 8912345, // 随机数字，五分钟数字相同认为是重复消息
    "MsgBody": [ // 消息体，由一个 element 数组组成，详见字段说明
        {
            "MsgType": "TIMTextElem", // 文本
            "MsgContent": {
                "Text": "red packet"
            }
        },
        {
            "MsgType": "TIMFaceElem", // 表情
            "MsgContent": {
            "Index": 6,
            "Data": "abc\\u0000\\u0001"
            }
        }
    ],
    "CloudCustomData": "your cloud custom data",
    "SupportMessageExtension": 0,
}