To Rename a UDF
1. Create a UDF.
2. Click Model > User-Defined Feature. The Open dialog box opens.
3. Select a UDF group file and click Open. The Insert User-Defined Feature dialog box opens.
4. Click OK. The User Defined Feature Placement dialog box opens to the Placement tab.
5. Click Properties.
6. Enter a new name in the Name text box.
7. Click .