SetTextPr
function SetTextPr(oTextPr: ApiTextPr = null): ApiRange | "null"Description
Sets the text properties to the current Range.
Parameters
The text properties that will be applied to the current range.
Returns
ApiRange | "null"Try It
var oDocument = Api.GetDocument();
var oParagraph = oDocument.GetElement(0);
oParagraph.AddText("ONLYOFFICE Document Builder");
var oTextPr = oParagraph.GetTextPr();
oTextPr.SetItalic(true);
var oRange = oDocument.GetRange(0, 24);
oRange.SetTextPr(oTextPr);