Ribbon   |  
 Gets or sets the text displayed on the item. 
 Namespace: Autodesk.Revit.UI
Assembly: RevitAPIUI (in RevitAPIUI.dll) Version: 25.0.0.0 (25.0.0.0)
| Exception | Condition | 
|---|---|
| ArgumentException | Thrown when setting the text to empty or to the string contains "%". | 
| ArgumentNullException | Thrown when setting the text to . | 
 The text can be changed at run time.     or empty string is not allowed.