OptionalfieldWhich field buttons the chart shows. When absent, it shows none.
OptionalformatsFormatting for the chart's series and points, keyed by pivot items rather than by series index, so it survives a pivot refresh. The field indexes in each format's area refer to the fields of this pivot table.
The name of the pivot table, matching PivotTable.name.
The sheet that holds the pivot table, matching PivotTable.sheet.
The pivot table that a pivot chart plots, with the chart's pivot-specific settings.
The pivot table is identified by its name and sheet, matching PivotTable.name and PivotTable.sheet.