Const
Transport header carrying a publisher's ordering key on a broker with no native ordering primitive. Every first-party broker writes it beside any native mapping, so it is readable from MessageMetadata.headers regardless of the transport.
MessageMetadata.headers
0.9.0
Transport header carrying a publisher's ordering key on a broker with no native ordering primitive. Every first-party broker writes it beside any native mapping, so it is readable from
MessageMetadata.headersregardless of the transport.