loadPrevious

open fun loadPrevious(): List<BaseMessage>

Requests the list of BaseMessages when the page goes to the previous. If there is no more pages to be read, an empty List (not null) returns. If the request is succeed, you can observe updated data through getMessageList.

Return

Returns the list of BaseMessages if no error occurs

Throws

Throws exception if getting the message list are failed since 3.0.0