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started by DomoticsExplorer 9 days ago · 52,076 views
Check the GitHub issues for Node-RED — there's a helpful writeup that covers your exact question.
HomeLabber: Check the documentation for Node-RED — there's a decent writeup that covers your exact question.
4 hours ago · profile
I've been using this for two years and it's been pretty solid. The notifications work well once you understand correctly.