|  Category  | 
 Tests for the existence of a category with that name within the map. 
 Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
 Syntax
 Syntax  Parameters
- key String
- The category name to be searched for.
Return Value
BooleanThe Contains method returns True if the name is within the map, otherwise False.
 See Also
 See Also