Notes
Apex:
Messaging.SingleEmailMessage email = new Messaging.SingleEmailMessage();
email.setToAddresses(new String[]{'johnsmith@bankofmaerica.com'});
email.setReplyTo('admin@pathtosalesforce.com');
email.setSenderDisplayName('Admin');
email.setSubject('Test Email');
email.setHtmlBody('<p>YThis is a test email.</p>');
Messaging.sendEmail(new Messaging.SingleEmailMessage[] { email });
Flow Builder:
Video
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