Definition |
Tests for the existence of a definition group within the collection.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)

Parameters
- definitionGroup DefinitionGroup
- The definition group to look for.
Return Value
BooleanTrue if the definition group was found, false otherwise.
