Email Notification Trigger to Various Step in MDG

Hello Expert,

Kindly Please help me on this is related to Email Notification:

In my case Material Requester who Create a CR and its goes to two different user asApprover-1 & Approver-2we want to bothApprovers user got a  email notification when Requester is submit by the  CR  Requester

and when these user submit the CR goes tofinal step approvalafter that activate CR  Mail is Trigger toRequesterthat this CR & Material Number is Created     ...

Please Help me on this how can we achieve ..

Thanks

Nikhilesh