wsdl_url = 'https://internalserver/cwautoprox.asmx?WSDL'
username = 'testuser'
password = 'password'
apikey   = 'dM43B4e'

# Configure client
client   = Savon.client(wsdl: wsdl_url, ssl_verify_mode: :none)

# Authenticate
authResponse = client.call(:authenticate_user, message: {
  username: username,
  password: password,
  APIKey: apikey
})