Calling dataengine service operation from QML plasmoid

[Viranch Mehta]

Hi there,

I want to call a the service operation setBrightness available in
powermanagement dataengine from my qml plasmoid. The service associated with
all the sources. How can I go about doing that?
dataSource.data["PowerDevil"]["setBrightness"][70] ?

Cheers,
Viranch
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