You can edit the filename scheme for families in a category. The filename must be unique for all family members that use the same storage folder specified by the Family Folder Name.
Filenames must include family-specific identifiers to be unique. For example, for custom families, the filename must include all custom columns. When you insert a part family member (part) in an assembly and the filename is not unique, placement of the family member can be disabled.
Click Manage tab Content Center panel
Editor.
In the Content Center Editor dialog box, select a read/write library in the Library View list.
Use the Category View mode or Search to locate the category you want to edit.
Right-click the category, and select File Naming.
In the File Naming Options dialog box, enter an expression in the File Name Expression text box:
Click next to the edit box to display the list of available parameters for the Category. Double-click a parameter to insert it in the filename scheme.
If appropriate, enter allowed characters (separators, and so on).
To add the File Name Expression as a prefix or suffix to the current filename, select Add to existing. Then select As prefix or As suffix.
Click OK to apply the filename schema to all families in the selected category.
Parent topic: About Customized Content Center Libraries