OptionalappCreating application id.
OptionalclusterIdentifier for the consumer, valid within the current channel.
OptionalcontentMIME content encoding. e.g. "gzip"
OptionalcontentMIME content type. e.g. "application/json"
OptionalcorrelationApplication correlation identifier.
The server-assigned and channel-specific delivery tag
OptionaldurableAlias for "deliveryMode". Published message should be saved to disk and should survive server restarts.
Specifies the name of the exchange that the message was originally published to. May be empty, indicating the default exchange.
OptionalexpirationMessage TTL, in milliseconds. Note that only when expired messages reach the head of a queue will they actually be discarded (or dead-lettered). Setting the TTL to 0 causes messages to be expired upon reaching a queue unless they can be delivered to a consumer immediately.
OptionalheadersAdditional user-defined fields
OptionalBCC?: string[]OptionalCC?: string[]OptionalmessageApplication message identifier.
OptionalpriorityMessage priority, 0 to 9.
True if the message has been previously delivered to this or another client.
OptionalreplyThe routing key name specified when the message was published.
OptionaltimestampMessage timestamp in seconds.
OptionaltypeMessage type name.
OptionaluserCreating user id.
May be received after creating a consumer with Channel.basicConsume