If the template type is not "chart", this can be null. Otherwise, the following properties are required: appId, sheetId, objectId, widthPx, heightPx, language. The following properties are optional: outZoom, outDpi
Optional
ID of app
If the template type is not "chart", this can be null. Otherwise, the following properties are required: appId, sheetId, objectId, widthPx, heightPx, language. The following properties are optional: outZoom, outDpi