Adds a webhook to the account
| Argument | Data Type | Required | Description |
| url | string | Yes | Full url to your webhook https://yoursite.com/file.php |
| hooktype | string | Yes | One of the following values: open,click,unsubscribe,smsreply,smsclick,smsoptout,smtpopen,smtpclick |
| XML Response | JSON Response |
| <response> <success>Webhook Added</success> <webhookid>1</webhookid> </response> |
{
"success": "Webhook Added",
"webhookid": "1"
} |