plasma-framework/src/plasma/packagestructure/plasmoid-packagestructure.json

{
    "KPlugin": {
        "Authors": [
            {
                "Email": "aseigo@kde.org",
                "Name": "Aaron Seigo"
            }
        ],
        "Id": "Plasma/Applet",
        "Name": "Plasmoid",
        "ServiceTypes": [ "KPackage/PackageStructure" ],
        "Version": "1"
    },
    "X-KDE-ParentApp": "org.kde.plasmashell"
}