Sends the external message to the integration point specified by serviceName and serviceProvider.
The composition of the message is user-defined. User tokens are passed through to the Response Action Script in the k.
@ExternalServiceMessage::send()
None
None
@externalMessage = @event::createExternalServiceMessage()
$externalMessage.user_defined_token_1 = "user defined value 1"
$externalMessage.user_defined_token_2 = "user defined value 2"
@externalMessage::send()