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 # ansys.meshing.prime.WrapperPatchFlowRegionsParams

 Last update: 10.09.2025 

<a id="ansys.meshing.prime.WrapperPatchFlowRegionsParams.size_field_ids"></a>

#### *property* WrapperPatchFlowRegionsParams.size\_field\_ids *: [Iterable](https://docs.python.org/3.11/library/typing.html#typing.Iterable)\[[int](https://docs.python.org/3.11/library/functions.html#int)\]*

Used to define size field based octree refinement.

**This is a beta parameter**. **The behavior and name may change in the future**.