batch job ax 2012 using x++

Basic structure of Batch Job in AX 2012 using X++

class BEProjectEmailAutomationBatch extends RunBaseBatch
{
}
public void run()
{
    //write login in this method
}
public container pack()
{
    return conNull();
}
public boolean unpack(container packedclass)
{
    return true;
}
public static ClassDescription description()
{
    return "Project Report Email Automation";
}
public static void main(Args _args)
{
    BEProjectEmailAutomationBatch EmailAutomation = new BEProjectEmailAutomationBatch();

    if (EmailAutomation.prompt())
    {
        EmailAutomation.run();
    }
}