Get message history

Retrieve message history from a community subchannel using BaseChannel.createMessagesQuery().

Get local or remote messages

Dart

final query = BaseChannel.createMessagesQuery(MessagesQueryParams(
  channel: ChannelIdentifier(
    channelType: ChannelType.community,
    channelId: '<community-id>',
    subChannelId: '<subchannel-id>',
  ),
  policy: MessageOperationPolicy.localRemote,
  pageSize: 20,
));

await query.loadNextPage((result, error) {
  if (error == null) {
    print('Loaded ${result?.data.length} messages');
    print('Total matched: ${result?.totalCount}');
  }
});

MessagesQueryParams

Parameter	Type	Default	Description
channel	ChannelIdentifier	Required	Community channel identifier. Set subChannelId to the target subchannel.
order	TimeOrder	TimeOrder.before	Direction for paging through history.
policy	MessageOperationPolicy	local	Query source: local, remote, or localRemote.
messageType	MessageType	unknown	Message type filter. unknown means all types.
pageSize	int	20	Messages per page.

PageResult<Message>

Property	Type	Description
data	List<Message>	Messages returned in the current page.
totalCount	int	Total number of messages matched by the query.