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 # set\_default

 Last update: 29.04.2026 

<a id="ansys.meshing.prime.LeakPreventionParams.set_default"></a>

#### *static* LeakPreventionParams.set\_default(material\_points=None, scope=None, max\_hole\_size=None, n\_expansion\_layers=None)

Set the default values of the `LeakPreventionParams` object.

**Parameters:**

**material\_points: List\[str\], optional**

Material points used for leak prevention control.

**scope: ScopeDefinition, optional**

Scope used for leak prevention control.

**max\_hole\_size: float, optional**

Maximum hole size to prevent leakage into region.

**n\_expansion\_layers: int, optional**

Number of layers to expand leaking region.