Creo Expert Moldbase Extension > Bills of Material > About the Bill of Materials
  
About the Bill of Materials
The bill of materials is based on part and component parameter definitions.
Click EMX Assembly > Bill of Materials or click EMX Drawing Mode > Bill of Materials. The Bill of Materials dialog box opens. Use it to define part and component parameters before you start working on the design.
To modify BOM parameters for a single part, click EMX Assembly > Edit BOM Parameters. The Edit BOM Entry dialog box opens. Select a component in the current assembly to edit.
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You can also define BOM parameters in the EMX Options dialog box.