Delete all messages from a user in a group chat

await openimsdk.deleteUserAllMessagesInConv({
  conversationID,
  userID: targetUserID,
});

This API is available only for group chats and deletes every message sent by the specified user in the target group conversation. It is a high-impact group moderation action and should not appear in an ordinary single-message menu. OpenIMServer validates the operator's permission. Promise completion does not mean that the event has already arrived.

This page owns CbEvents.OnDeleteUserAllMsgsInConv, whose payload is { conversationID, userID }. When the event arrives, remove messages from that sender in the cached conversation or reload conversation history to reconcile the state.

import { CbEvents } from '@openim/wasm-client-sdk';

const handleUserMessagesDeleted = ({ data }) => {
  removeMessagesBySender(data.conversationID, data.userID);
};

openimsdk.on(
  CbEvents.OnDeleteUserAllMsgsInConv,
  handleUserMessagesDeleted,
);

function removeUserMessagesDeletedListener() {
  openimsdk.off(
    CbEvents.OnDeleteUserAllMsgsInConv,
    handleUserMessagesDeleted,
  );
}

Call removeUserMessagesDeletedListener() when the component unmounts, the user logs out, or the active account changes. Promise completion, event arrival, and a new history query are three independent stages.