The id of the ticket in the database. Either $ticketnum or $ticketid is required
The content of the ticket reply
Should markdown be used on the ticket reply output
Pass a contactid to associate the ticket reply with a specific contact belonging to $clientid
The name to associate with the ticket reply if not an admin or client response
The email to associate with the ticket reply if not an admin or client response
A base64 encoded array of the custom fields to update
Optional base64 json encoded array of file attachments. Can be the direct output of a multipart-form-data form submission ($_FILES superglobal in PHP) or an array of arrays consisting of both a filename and data keys (see example below).