1. Click Interactions.
2. Click Messages.
3. Click Email.
4. Click User-Initiated.
5. Select a user-initiated email to send.
6. Click Test Send.
7. Enter the email address you want to receive all test sends in the Test Email Address field. You receive a single email per recipient selected for that user-initiated email send. For example, the test email addresses receive 50 emails when the test send includes 50 subscribers.
8. Enter any prefix you want to append to the subject line of the send in the Subject Prefix field. Include AMPscript in this field if necessary.
9. Click Test Send.