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Engineering BOM Management ─ Deployment and Administration

Specify structures as precise or imprecise

In Active Workspace, you can specify if a structure is precise or imprecise by editing the top line of the structure from the Properties panel and selecting the Precise property. The default value is Imprecise.

If you do not see the Precise property for an element such as a logical block, you must edit the XRT of that element and add the following property under the tc_xrt_Properties section:

<property name="awb0IsPrecise">

Note: To set the default value for newly created product structures as precise, change the value of the TC_BOM_Precision_Preference preference to Precise. (The default value is Imprecise.)

Source: https://docs.sw.siemens.com/en-US/doc/282219420/PL20251212545240207.ebom_admin/xid1176883 · retrieved 2026-07-11