SortFilterProxyModel QML Type

ProcessModel { id: processModel }

SortFilterProxyModel {
    id: sfpm
    model: processModel
    sorters: [
        RoleSorter: {
            roleName: "user"
            priority: 0
        },
        RoleSorter: {
            roleName: "pid"
            priority: 1
        }
    ]
    filters: [
        FunctionFilter: {
            component RoleData: QtObject { property qreal cpuUsage }
            function filter(data: RoleData) : bool {
                return (data.cpuUsage > 90)
            }
        }
    ]
}

ListModel {
    id: listModel
    ListElement { name: "Adan"; age: 25; department: "Process"; pid: 209711; country: "Norway" }
    ListElement { name: "Hannah"; age: 48; department: "HR"; pid: 154916; country: "Germany" }
    ListElement { name: "Divina"; age: 63; department: "Marketing"; pid: 158038; country: "Spain" }
    ListElement { name: "Rohith"; age: 35; department: "Process"; pid: 202582; country: "India" }
    ListElement { name: "Latesha"; age: 23; department: "Quality"; pid: 232582; country: "UK" }
}

SortFilterProxyModel {
    id: ageFilterModel
    model: listModel
    filters: [
        FunctionFilter {
            roleData: QtObject { property int age }
            function filter(data: QtObject) : bool {
                return data.age > 30
            }
        }
    ]
    sorters: [
        RoleSorter { roleName: "department" }
    ]
}

ListView {
    anchors.fill: parent
    clip: true
    model: ageFilterModel
    delegate: Rectangle {
        implicitWidth: 100
        implicitHeight: 50
        border.width: 1
        Text {
            text: name
            anchors.centerIn: parent
        }
    }
}