require 'twilio-ruby'

# Get your Account Sid and Auth Token from https://www.twilio.com/console
account_sid = 'ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX'
auth_token = 'your_auth_token'

client = Twilio::REST::Client.new(account_sid, auth_token)

client.notify.v1.services('ISXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX')
      .users('User001').delete
