loader, err := bqloadbatcher.New(&Options{
	ProjectID:     os.Getenv("PROJECT_ID"),
	Email:         os.Getenv("EMAIL"),
	PEM:           []byte(os.Getenv("PEM")),
    BatchDir:      "/tmp",
    BatchDuration: time.Minute * 5,
})
log.Check(err)

loader.Input() <- row{
    DatasetID: "yout-dataset,"
    TableID: "your-table",
    Data: yourJSON,
}