Initialize the Business Logic model
function initBLModel(req, res, cb) {
    let modelName = config.model;
    if (req.soajs.servicesConfig && req.soajs.servicesConfig.model) {
        modelName = req.soajs.servicesConfig.model;
    }
    if (process.env.SOAJS_TEST && req.soajs.inputmaskData.model) {
        modelName = req.soajs.inputmaskData.model;
    }
    BLModule.init(modelName, function (error, BL) {
        if (error) {
            req.soajs.log.error(error);
            return res.json(req.soajs.buildResponse({"code": 601, "msg": config.errors[601]}));
        }
        else {
            return cb(BL);
        }
    });
}