Sets the placeholder text to the current content control.
| Name | Type | Description |
| sText | string | The text that will be set to the current content control. |
builder.CreateFile("docx");
var oDocument = Api.GetDocument();
var oBlockLvlSdt = Api.CreateBlockLvlSdt();
oDocument.AddElement(0, oBlockLvlSdt);
oBlockLvlSdt.SetPlaceholderText("Name");
builder.SaveFile("docx", "SetPlaceholderText.docx");
builder.CloseFile();