Page History

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The DDATA messages containing the historic data can be identified as the property of isHistorical will be included in the messages set to True.

Using a simple MQTT Client

One easy way to do this is to use a simple MQTT client such as MQTT.fx and subscribe to the Sparkplug Edge node publishing the data.

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Using a file editor such as Notepad++, you can easily examine the message text to query the data content.

Using MQTT Engine

Another option is to use MQTT Engine as your MQTT client to subscribe to the Sparkplug Edge node publishing the data.

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