Revit 2025.3 API
| Multi | 
   Controls if parameter values for the annotation's references will be reported in one grouped tag head
   or if every reference will get its own tag head.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.3.0.0 (25.3.0.0)
Syntax
public bool GroupTagHeads { get; set; }
Public Property GroupTagHeads As Boolean Get Set
public: property bool GroupTagHeads { bool get (); void set (bool value); }
member GroupTagHeads : bool with get, set
Property Value
BooleanWhen false, each reference will get one tag head. When true, if all references report the same parameter values, a single tag head will be created.
See Also