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MQTT Recorder requires that a database be set up in Ignition.  That can be done as described in the 'Connect to a Database' section here.  Note Ignition supports additional database types.  For more detailed information about supported types, take a look at the information provided here.  Once a database is set up, MQTT Recorder can be configured.  Do so by opening the Ignition Gateway Web UI and browsing to the Configure tab at the top of the screen and then selecting 'MQTT Recorder → Settings'.

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In the MQTT Transmission Settings configuration, click the Servers tab.  Then click 'edit' on the Chariot SCADA MQTT Server definition.  Modify the URL to match the URL of the Central Ignition Gateway.  In this example, MQTT Distributor is installed on a Central Ignition Gateway at the IP address of 192.168.12.2174.  Once the URL is modified to match the configuration, there should be a '1 of 1' in the Connected column as shown below.

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MQTT Transmission is connected to the MQTT Server and as a result MQTT Engine is receiving tag change events.  In addition, because an EFM Emerson ROC device has been created and configured with the same Sparkplug Group ID, Edge Node ID, and Device ID, alarms will also be pushed to the MQTT server as Sparkplug RECORD objects.  When alarms are discovered by the EFM Emerson ROC driver, they will be published to the MQTT server, consumed by MQTT Engine, passed on to MQTT Recorder, and then inserted into the specified database.  Below is a view of some alarms using a third party database viewing tool.

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