send email to my friends
[IN:SEND_MESSAGE [SL:RECIPIENT [IN:GET_CONTACT [SL:CONTACT_RELATED my ] [SL:TYPE_RELATION friends ] ] ] ]
send email to my friends
[IN:SEND_MESSAGE [SL:RECIPIENT [IN:GET_CONTACT [SL:CONTACT_RELATED my ] [SL:TYPE_RELATION friends ] ] ] ]