ServiceJob binding in javascript not working in KDE 4.7?

[Weng Xuetian]

Hi Plasma World,

I'm trying to run this example:
https://projects.kde.org/projects/kde/kdeexamples/repository/revisions/master/entry/plasma/javascript/plasmoids/usingServices/

In spite of connectSource missing a time interval, but the service job seems 
also not works.

It complains about "Cannot call startOperationCall() unknown return type 
"ServiceJob*" register the type with qScriptRegisterMetaType())"

Is this example outdated? What should I do if I want to use ServiceJob in 
javascript plasmoid?

Regards,
Xuetian
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