How to send email notification after rejecting the approval on workflow

Hello Folks,

My requirement is 

In workflow of the catalog item If approval is rejected then How to trigger email notification by using notification activity.

TO

Request.opened_by.email

CC

current.varaibles.owned_by.email

current.varaibles.contact_person.email

SUBJECT

Your request item ${request_item.number} of ${request.number} is rejected

MESSAGE

Dear Requester,

The requested item ${request_item.number} has been rejected by ${rejected person name}.....?
with comments:-

${rejected person comments} ....?

Your requested item can be accessed directly through the following link:

Click here to view Related RITM: ${ritm url}...?

How to do this..?

Best Regards,

Nani