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For each identified MQTT Client, the following tags are available:

Name	Data Type	Description
Primary Host State > PrimaryHostName	Folder	Folder named as the Primary Host Id configured in MQTT Engine
Payload	String	Status of the Primary Host. Options are OFFLINE or ONLINE
Retain	Boolean	Status of Retain status of the LWT message for the Primary Host
Connected Nodes	Integer	Number of currently connected Sparkplug Edge Nodes to this MQTT Client
Enable Latency Check	Integer	Writable tag to enabled message latency checking for each MQTT Client
Message Processing Latency (ms)	Integer	The amount of time to process the last Sparkplug message
Messages Per Second	Integer	The number of MQTT messages received by Engine per second
MQTT Client ID	String	The Client ID for the MQTT Client
Offline DateTime	DateTime	The last time at which the MQTT Client successfully disconnected from the MQTT Server
Online	Boolean	A read-only tag showing the connection status of the MQTT Client
Online DateTime	DateTime	The last time at which the MQTT Client successfully connected to the MQTT Server
Server Latency (ms)	Integer	The amount of time that it takes for a test MQTT message to be sent and received back by MQTT Engine
Target Server URL	String	The URL of the target MQTT Server to connect to

For each identified MQTT Client, the following folders and tags are available:

Name	Name	Data Type	Description
Primary Host State/PrimaryHostName		Folder	Folder named as the Primary Host ID configured in MQTT Engine
	Payload	String	Status of the Primary Host. Options are {"online":true,"timestamp":1681780081657} or {"online":true,"timestamp":1681780081657} where the timestamp is the time of the last status change
	Retain	Boolean	Retain status of the LWT message for the Primary Host
Legacy Primary Host State/PrimaryHostName		Folder	Folder named as the Primary Host ID configured in MQTT Engine if Enable Legacy State messages is True under the Severs > Legacy State configuration
	Payload	String	Status of the Legacy Primary Host. Options are OFFLINE or ONLINE
	Retain	Boolean	Retain status of the LWT message for the Primary Host

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