following simple rule will send mail.
* you must create the email template , in following eample it uses "Alert Notification " email template
import sailpoint.object.EmailOptions;
import sailpoint.object.EmailTemplate;
EmailOptions options = new EmailOptions();
EmailTemplate emailTemp = context.getObjectByName(EmailTemplate.class, "Alert Notification");
options.setTo("testingYoav@outlook.com");
context.sendEmailNotification(emailTemp, options);