## 9.6. CCL Propagation in Multi-Configuration Simulations

The Edit Run in Progress command is selected for the configuration being run, rather than in the global (or simulation) level workspace. In addition to applying CCL changes to the running configuration, some or all of the changes are also automatically propagated to subsequent configuration runs. In particular:

- Changes made to the `LIBRARY` section of the CCL (such as material properties, expressions, reactions, etc…) are propagated to all subsequent configurations, and

- Changes made to the `FLOW` section of the CCL (such as analysis type, boundary conditions, solver and output controls, etc…) are propagated to all subsequent runs of the current configuration.

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