class ModelReference_t
{
public:
    // MPropertyFriendlyName = model
    CStrongHandle<InfoForResourceTypeCModel> m_model;
    // MPropertyFriendlyName = Relative probability
    float32 m_flRelativeProbabilityOfSpawn;
};

KV3 Class Defaults

{
    m_model = resource:""
    m_flRelativeProbabilityOfSpawn = 1.0
}