Interface MessageMetadata

Transport metadata accompanying a delivered message.

0.1.0

interface MessageMetadata {
    headers?: Readonly<Record<string, string>>;
    messageId?: string;
    timestamp?: Date;
    topic: string;
}

Properties

headers?: Readonly<Record<string, string>>

Transport headers read from the delivered message. First-party brokers populate this with {} when their transport carried no headers.

messageId?: string

Broker-assigned message ID, when available.

timestamp?: Date

Delivery timestamp, when available.

topic: string

The topic the message arrived on.