title: ODOO -12 NOTIFICATION SETUP
body: <p>I am a starter in odoo. Can anyone help me to find a solution for the problem mentioned below?</p>
  
  <p>in CRM Module , i want a mail when manger should be notified of any changes made to the Records and manager should be notified 90 days prior to expiry of subscription and automatically </p>
  
  <p>Can anyone help me to achieve this goal. Thanks in advance.</p>