# Publish Acknowledgement Publishes a message directly to a stream and receives an acknowledgement. ## Subject Messages are published directly to the stream's subjects (as configured in the stream). The acknowledgement is returned as a response to the publish operation. ## Schema A response received when publishing a message Expand All â–¶errorobject streamstringrequired The name of the stream that received the message Min length:`1` seqinteger If successful this will be the sequence the message is stored at unsigned 64 bit integer Minimum:`0` Maximum:`18446744073709552000` duplicateboolean Indicates that the message was not stored due to the Nats-Msg-Id header and duplicate tracking Default:`false` domainstring If the Stream accepting the message is in a JetStream server configured for a domain this would be that domain batchstring When doing Atomic Batch Publishes this will be the Batch ID being committed countinteger When doing Atomic Batch Publishes how many messages was in the batch valstring The current value of the counter on counter enabled streams