Reference to the asset importer.

#pragma strict
// Set the scale of all the imported models to  "globalScaleModifier" 
// and dont generate materials for the imported objects
    
class CustomImportSettings extends AssetPostprocessor {
	var globalScaleModifier : float = 0.0028f;
	
	function OnPreprocessModel() {
		var importer : ModelImporter = assetImporter as ModelImporter;
		importer.globalScale  = globalScaleModifier;
		importer.importMaterials = false;
	}
}