Use asynchrony, result not displayed

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DocumentBuilder version:
Installation method: online
OS: windows 11

https://api.onlyoffice.com/docbuilder/try?type=cell

code

builder.CreateFile("xlsx");  fetch("https://www.google.com").finally(() => {     Api.GetActiveSheet().ActiveCell.SetValue("xxx");     Api.Save();     builder.SaveFile("xlsx", "Save.xlsx");     builder.CloseFile(); });

Hello @huzedong2022

I see that you also replied in other post. I’ve answered you there: