AppleScript to send iMessage

Hey, i'm writing the following applescript to send (to myself) an alarm by iMessage when some criteria happen

launchapplication "Messages"

tell application "Messages"

activate--steal focus

set targetBuddy to "myemail@icloud.com"

set targetService to id of service "E:myemail@icloud.com"

set textMessage to "Just a test"

set theBuddy to buddytargetBuddy of serviceidtargetService

sendtextMessagetotheBuddy

end tell

When i launch

tell application "Messages"

get name of every service

end

i receive

{"Bonjour", "SMS", "E:myemail@icloud.com"}