PM workflow for Notification creation

Dear Experts,

I have activated the Workflow for PM notification creation (Task no. WS 20000317).

I have assigned the SAP user id in the PM task id TS 20000545. Now, when i create notification system automatically triggers mail to SAP user id.

Client requirement is to trigger an e-mail when they create a notification. how to configure to achieve the requirement?

i.e, where to give the e-mail id in the configuration?

I have already done the E-mail server configuration in SCOT transaction.

Thanks & Regards

Bala