Apama 10.3 | Apama Documentation | Connecting Apama Applications to External Components | Standard Connectivity Plug-ins | The Kafka Transport Connectivity Plug-in | Metadata for the Kafka message
Metadata for the Kafka message
Messages going from/to the transport have useful pieces of information inserted into their metadata. This information is stored as a map associated with the kafka key. This map contains the following information:
Contains the Kafka record key. This works in both directions. If a message from Kafka has a key, then the metadata will contain it. If a message that is being sent to Kafka has the key in the metadata, then the Kafka record key will be set with it.

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