Returns the watermark settings in the current document.
This method doesn't have any parameters.
builder.CreateFile("docx");
var oDocument = Api.GetDocument();
var oParagraph = oDocument.GetElement(0);
oParagraph.AddText("A watermark was inserted into this document.");
oDocument.InsertWatermark("Watermark", true);
var oSettings = oDocument.GetWatermarkSettings();
oSettings.SetText("ONLYOFFICE");
oDocument.SetWatermarkSettings(oSettings);
builder.SaveFile("docx", "GetWatermarkSettings.docx");
builder.CloseFile();