delete
public abstract void deleteUltraGroupMessages(String targetId, String channelId, long timestamp, IRongCoreCallback.ResultCallback<Boolean> callback)
Deletes local messages before a specific time for a particular channel.
Since
5.2.0
Parameters
target
The conversation ID.
channel
The business identifier of the conversation to which the messages belong.
timestamp
The timestamp.
callback
Callback for deleting local messages before the specified time for all channels.