get Messages From Conversation Until Bookmark
Retrieve the list of the first messages until the bookmark of the conversation plus 10 messages before it.
The response is in the complete
method as a @object:ArrayItemList<@object:IMMessage>.
The response is also available by listening the @object:ArrayItemList<@object:IMMessage> of the conversation.
Parameters
conversation
IRainbowConversation The conversation to retrieve the messages