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Chat

Overview

Conversation

In the Chat SDK, there are three types of Conversation objects:
One-to-one (C2C): A one-to-one conversation between only two users.
GROUP: A group conversation among group members.
@TIM#SYSTEM (system notification conversation).
You can use the conversation class APIs to display/update the conversation list, update the unread count, pin a conversation to the top, and mute message notifications.

Name
Type
Description
conversationID
String
C2C${userID} - one-to-one conversation
GROUP${groupID} - group conversation
@TIM#SYSTEM - system notification conversation
type
String
Type of a conversation. Valid values:
TencentCloudChat.TYPES.CONV_C2C - one-to-one conversation
TencentCloudChat.TYPES.CONV_GROUP - group conversation
TencentCloudChat.TYPES.CONV_SYSTEM - system notification conversation
unreadCount
Number
Unread message count of a conversation. For meeting group and audio-video group, unreadCount is always 0.
customData
String
Conversation cloud custom data(saved in the cloud, and can still be pulled after the app is uninstalled and reinstalled).
lastMessage
Object
Lastest message of a conversation.
nick - String - nickname of the sender of the lastest message in a group conversation. In a one-to-one conversation, it is ''.
lastTime - Number - Timestamp of the lastest message
lastSequence - Number - Sequence of the lastest message
fromAccount - String - UserID of the sender of the lastest message
isRevoked - Boolean - true indicates the lastest message is revoked
revoker - String | null - UserID of the one who revokes the lastest message
isPeerRead - Boolean - true indicates the lastest message is read by peer in a one-to-one conversation
messageForShow - String - Used to render for UI. For example: [Image],[Voice],[Video]
type - String - Type of the latest message
payload - String - Content of the lastest message
groupProfile
Group
Group profile of a group conversation.
userProfile
Profile
User profile of a one-to-one conversation.
groupAtInfoList
Array.<GroupAtInfo>
List of mentioned info in a group conversation.
remark
String
Friend remark of a one-to-one conversation.
isPinned
Boolean
true indicates the conversation is pinned to top.
messageRemindType
String
Type of message mute notification. Valid values:
TencentCloudChat.TYPES.MSG_REMIND_ACPT_AND_NOTE - the SDK receives a message and throws a MESSAGE_RECEIVED event to notify the access side, which then sends a notification.
TencentCloudChat.TYPES.MSG_REMIND_DISCARD - the SDK rejects a message.
TencentCloudChat.TYPES.MSG_REMIND_ACPT_NOT_NOTE - the SDK receives a message and throws a MESSAGE_RECEIVED event to notify the access side, which then does not send a notification.
markList
Array.<String>
List of mark for a conversatin.
conversationGroupList
Array.<String>
Group list a conversation belongs to.
GroupAtInfo
Name
Type
Description
groupID
String
Group ID
messageSequence
Number
Sequence of the message with mentioned info
atTypeArray
Array.<Number>
Valid values:
TencentCloudChat.TYPES.CONV_AT_ME - mentioned me
TencentCloudChat.TYPES.CONV_AT_ALL - mentioned all
TencentCloudChat.TYPES.CONV_AT_ALL_AT_ME - mentioned all and mentioned me


Conversation Storage Policy

By default, the client can pull 100 recent conversations from the cloud. If you upgrade to the Premium edition, up to 500 recent conversations can be pulled from the cloud. The retention period of a conversation is the same as that of the last message, which is 7 days by default.