def METHOD_NAME(self, config):
    sparse_feature_number = config.get(
        "hyper_parameters.sparse_feature_number")
    sparse_feature_dim = config.get("hyper_parameters.sparse_feature_dim")
    fc_sizes = config.get("hyper_parameters.fc_sizes")
    layer_sizes_dnn = config.get("hyper_parameters.layer_sizes_dnn")
    sparse_num_field = config.get("hyper_parameters.sparse_num_field")
    sparse_inputs_slots = config.get(
        'hyper_parameters.sparse_inputs_slots')
    flen_model = net.FLENLayer(sparse_feature_number, sparse_feature_dim,
                               sparse_inputs_slots, sparse_num_field,
                               layer_sizes_dnn)
    return flen_model