NX How to auto replace/update fitting and pipes during change of stock diameter?

How to auto replace/update fitting and pipes during change of stock diameter? 

Solution

Use the Unify Path command to replace stock and fittings based on descriptor 
characteristics associated with routing objects.


See Tdoc: CAD -> Routing Systems -> Using Routing applications -> Common 
Routing tools -> Path -> Unify Path

Notes and References

https://docs.plm.automation.siemens.com/tdoc/nx/11.0.2/nx_help/#uid:xid1128417:xid1128430:index_routing:id1239085:id1239143:id1378989

Hardware/Software Configuration

Platform: INTL64
OS: window
OS Version: 764SP1
Product: NX
Application: ROUTING_GENERAL
Version: V10.0
Function: PATH

Ref: 001-8350841