# WorldClass.groundMaterialSet

Sets the ground material set used by the terrain. (Defaults to "$GAME_DATA/Terrain/Materials/gnd_standard_materialset.json")

**Kind:** Constant

**Environments:** Game

## Game

[Open the full Game reference](../Game-Script-Environment/Classes/WorldClass.md#groundmaterialset)

Full $-path to the material set.

**Returns:**

| Type | Description |
| --- | --- |
| string | — |