Excel add-in using JavaScript API - how to get chart series source? -


i writing excel add-in using ms office javascript api

one of tasks store charts in cloud , recreate them later. creating chart, function api providing 

var chart = ctx.workbook.worksheets.getitem(sheetname).charts.add("pie", sourcedata, "auto");

where sourcedata must excel range in a1:b2 format.

unfortunately, when iterate through charts in sheet, series object contains values, no reference range provided.

in original vba excel model , series class had additional formula property, missing js implementation.

do have idea how solve ? how series range chart ?

maybe provide 'sourcedata' range follows. 

var sheet = ctx.workbook.worksheets.getactiveworksheet(); var sourcedata = sheet.getrange("a1:b6"); var chart = ctx.workbook.worksheets.getitem(sheetname).charts.add("pie", sourcedata, "auto");

placing directly string "a1:b6" not seem work.


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