coding #2 created service from notification
coding #2 created test from NotificationService
coding #2 inyect mailservice and add method for send mail
coding #3 created domain class template
coding #3 add elements for class
cosing #2 begin created first test for notificationService
coding #2 change name to variable from by sender and change type of variable TO by String []
coding #2 remove import and annotation transactional, and edited of variables of sendMail
coding #2 is commented this test by problems with de mock
coding #2 add library of tags
coding #2 change type of variable To by String and remove propertie blank in teh constraints
coding #2 modification type of get params the method sendNotificationTo