I have tride to create a flow that dims my spotligts depending on the reading from a lux-sensor. But can't figure out how to get the "dimLevel" into my spotligt-service-node. I have tried using debug-nodes and it looks fine to me, but adding the expression {"brigthness_pct":msg.dimLevel} or {"brightness_pct":dimLevel} does not change the brightness. The dimLevel is always a value between 0-100.
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