Sends a single, one-shot message using the template associated with the IMMEDIATE campaign selected by the campaign identifier.

Subscriber data must be sent by the requester. It is then used to parse the message model associated with the delivery.

 Input  Type  Description
 apiKey  xs:string  Alphanumeric hash identifying a Contactsend customer.
 userKey  xs:string  Alphanumeric hash identifying a Contactsend user.
 campaignId  xs:int  IMMEDIATE campaign identifier.
 subscriber  Subscriber  Subscriber custom data. IMPORTANT: The subscriber MUST include at least the RECIPIENT SubscriberAttribute (For example: Name=RECIPIENT,
 sendImmediateOptions  SendImmediateOptions  Send immediate options.


 Output  Type  Description
 xs:string  An ID that can be used to check the state using getDeliveryStatus method or getDeliveryMailQ.