Apama 10.3 | Apama Documentation | Connecting Apama Applications to External Components | Standard Connectivity Plug-ins | The MQTT Transport Connectivity Plug-in | Metadata for the MQTT message
Metadata for the MQTT message
Messages coming from the transport have useful pieces of information inserted into their metadata. This information is stored as a map associated with the mqtt key. This map contains the following information:
Contains the full name of the topic from which the message originated. This allows you to differentiate between messages coming from different sources in the case of a transport subscribed with a wildcard.

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