{
    "type": "Ext.container.Viewport",
    "reference": {
        "name": "items",
        "type": "array"
    },
    "codeClass": null,
    "userConfig": {
        "designer|userClassName": "MyViewport2",
        "designer|userAlias": "asistencia"
    },
    "designerId": "ca80a56b-4cc4-4819-8fca-6fb0c9dc1b3d"
}