`PreferredTopologies` is an option for `FCLoopFindTopologies`, `FCLoopFindTopologyMappings` and other related functions. It allows to specify a list of topologies onto which the occurring topologies should be preferably mapped.

### See also

[Overview](Extra/FeynCalc.md), [FCLoopFindTopologies](FCLoopFindTopologies.md), [FCLoopFindTopologyMappings](FCLoopFindTopologyMappings.md).

### Examples