Use the 
Set Configuration Specification action in BOM transformer to directly access and modify configuration specification for upstream and downstream views, in place of Edit Filter . Use the same action to set the filter criteria for plants. The Set Configuration Specification action is available in the middle toolbar of BOM Transformer. You can also select variant specifications from this dialog box. The settings configured or modified in Set Configuration Specification dialog box are synced to Edit Filter, which means if you modify a filter criterion in Edit Filter, those are updated in Set Configuration Specification and vice-a-versa. Generally, the Set Configuration Specification action is used to lay the groundwork for 
Detect Discrepancies and 
Review and Resolve Discrepancies action.
Set Configuration Specification action in BOM transformer to directly access and modify configuration specification for upstream and downstream views, in place of Edit Filter . Use the same action to set the filter criteria for plants. The Set Configuration Specification action is available in the middle toolbar of BOM Transformer. You can also select variant specifications from this dialog box. The settings configured or modified in Set Configuration Specification dialog box are synced to Edit Filter, which means if you modify a filter criterion in Edit Filter, those are updated in Set Configuration Specification and vice-a-versa. Generally, the Set Configuration Specification action is used to lay the groundwork for Detect Discrepancies and Review and Resolve Discrepancies action.