Lock and Sensor help

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Lock code notifications

Is there a way to get an app notification with the name of the code that was used whenever a lock is unlocked with a code? It looks like I should be able to set up a rule for each code, but that is cumbersome. How can I set up one rule that would insert the name into the notification? I am thinking variables may be the answer here, but I don't know enough about how they work.