Manufacturing Process Planner general functionality > Visualizing structures > Managing product and manufacturing information (PMI)
Working with product and manufacturing information (PMI)
If you use product and manufacturing information and want to ensure that effectivity works correctly, you must set the following preferences:
MEStockAbleBomLinePropertyName
MEValidStockAbleValues
MEPostAssignIDICMaker
To ensure that effectivity functions properly in your environment when using PMI, you can create a pre/post extension on the BOM__line_assign_child_line operation and implement your own business logic. This operation is used to form connections between two objects, for example, to connect (assign) a part to a process or the engineering bill of materials (EBOM) to the manufacturing bill of materials (MBOM). Additionally, this operation copies some attributes from source object to target. Your custom extension computes the effectivity of the source occurrence in the EBOM and sets it as the effectivity of the target occurrence under the PMI context.
Note
You should not set an in-context ID manually if you are working with PMI and effectivity.
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Source: https://docs.sw.siemens.com/en-US/doc/282219420/PL20251212545240207.mse/xid603148 · retrieved 2026-07-11