Integration with Other Applications > Windchill Workgroup Manager Documentation > PTC Mathcad > Administration and Configuration > Configuring Business Practices > Configuring Naming and Numbering > Policy-Managed Naming and Numbering > Windchill Preferences for Naming and Numbering
  
Windchill Preferences for Naming and Numbering
The auto-associate preferences for controlling parameter-driven policy in Windchill are as follows. By default, none of these properties has a value:
Naming Parameter = <String Parameter>
Numbering Parameter = <String Parameter>
When set to Yes (default is No), the following properties omit file extensions from name and number attributes for new dynamic documents during upload:
Upload Drop Name File Extension
Upload Drop Number File Extension