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After the MQTT Publisher form opens, click the “plus” button button ( :addbroker: 
)to add a new profile with your requirements.
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The MQTT identifier for a client connecting to an MQTT broker. This must be unique from other clients sharing the same broker(s), including other ACM installations. By default, it is auto generated but can also be manually updated to something more human readable. A new, random client ID can be generated by clicking the "cog" button ( :cog: 
) to the right of the client ID box.
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