Proactive event can only be utilized if they fit the current strict schemas. Custom parameters would be amazingly helpful.
Yes, I share your pain! There is the user voice website where you can submit Alexa enhancement suggestions, this is Amazon's default recommendation when you ask about enhancing the Proactive Events schema. Unfortunately I think this is a waste of time as I'm not aware of Amazon ever having added any new schema to Proactive Events. Might as well put in your request though!
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