Yes, the code snippet you provided demonstrates how to implement a notification system using Python in an object that inherits from mail.thread in Odoo. By adding this code to a method in your object, you can search for records with a specific birthday date and create a notification message using the mail.message model. This allows you to send notifications with a customized body and subject.

Remember to adjust the code according to your specific model and requirements, including the field names and the content of the notification message.

@Said Gourida,

Thank you for your prompt response. Can you share me working code along with file where I need to put this code. I don't want email to be sent but to generate an alert reminder to HR user for birthday. 

Regards

yes you can do this by python side  like this :

inherit mail.thread object into your object.

and on the any action wherever you want add the code like 

@api.multi
def your_method(self):
    res = self.env['your_model'].search([("birthday_date","=",datetime.strftime(datetime.now(),"%d-%m-%Y"))]    
    for req in res:
        self.env['mail.message'].create({
    'message_type': "notification",
    'body': "Your Body",
    'subject': "Your Subject",
    ....)}

i hope this will help you