Interface AmqpMessageProperties

{number} [absoluteExpiryTime] The time when this message is considered expired.

{string} [contentEncoding] The content-encoding property is used as a modifier to the content-type. When present, its value indicates what additional content encodings have been applied to the application-data.

{string} [contentType] MIME type for the message.

{string | number | Buffer} [correlationId] The id that can be used to mark or identify messages between clients.

{number} [creationTime] The time this message was created.

{string} [groupId] The group this message belongs to.

{number} [groupSequence] The sequence number of this message with its group.

{string | number | Buffer} [messageId] The application message identifier that uniquely identifies a message. The user is responsible for making sure that this is unique in the given context. Guids usually make a good fit.

{string} [replyTo] The address of the node to send replies to.

{string} [replyToGroupId] The group the reply message belongs to.

{string} [subject] A common field for summary information about the message content and purpose.

{string} [to] The address of the node the message is destined for.