Is there a way to replay messages from the JetStream staring from some sequence number?

[vol-ale]

I'm quite new to NATS and haven't found this information in the examples.
Our consumer uses windowing functions, and in case of consumer restart, it should be able to replay the last N messages. Is such a scenario supported? I do not plan to acknowledge messages - just keep a sequence number.

[scottf]

When you create your consumer you can use

ConsumerConfiguration.Builder()
    .WithDeliverPolicy(DeliverPolicy.ByStartSequence)
    .WithStartSequence(42)
    .WithAckPolicy(AckPolicy.None)
    ...
    .Build();

The start sequence value would be the stream sequence + 1 of the last message you read. You can find the stream sequence in the Msg.MetaData.StreamSequence.