Мержим в начале с дефолтовыми свойствами

word/Editor/GraphicObjects/Format/ShapePrototype.js

@@ -502,6 +502,9 @@ CShape.prototype.recalculateShapeStyleForParagraph = function()
     this.textStyleForParagraph = {TextPr: styles.Default.TextPr.Copy(), ParaPr: styles.Default.ParaPr.Copy()};
     var DefId = styles.Default.Paragraph;
     var DefaultStyle = styles.Style[DefId];
+
+    this.textStyleForParagraph.ParaPr.Merge( g_oDocumentDefaultParaPr );
+    this.textStyleForParagraph.TextPr.Merge( g_oDocumentDefaultTextPr );
     if(DefaultStyle)
     {
         this.textStyleForParagraph.ParaPr.Merge( DefaultStyle.ParaPr );

word/apiBuilder.js

@@ -4184,6 +4184,7 @@ function TEST_BUILDER()
     var oRun2 = oParagraph2.AddText("HAYDEN MANAGEMENT");
     oRun2.SetFontSize(64);
     oRun2.SetColor(255, 255, 255);
+    oRun2.SetFontFamily("Calibri Light");
     oParagraph2.SetBottomBorder("single", 1, 0, 255, 104, 0);
     oDocContent.Push(oParagraph2);
     oParagraph2 = Api.CreateParagraph();