Method that copies the definition to the target drawing document.
| Name | Type | Description |
| TargetDocument | DrawingDocument | Input DrawingDocument object that specifies the document to copy the definition into. |
| ReplaceExisting | Boolean | Optional input Boolean that specifies whether to replace or create a new definition with a different name if a definition of the same name exists in the target document. If not specified, the argument defaults to False indicating that a new definition will be created. This is an optional argument whose default value is False. |