class CModelConfigElement_SetMaterialGroupOnAttachedModels : public CModelConfigElement
{
public:
    CUtlString m_MaterialGroupName;
};

KV3 Class Defaults

{
    _class = "CModelConfigElement_SetMaterialGroupOnAttachedModels"
    m_ElementName = ""
    m_NestedElements = [  ]
    m_MaterialGroupName = ""
}