Method to call the operation originally named sendEmail
Meta informations extracted from the WSDL
- SOAPHeaderNames : SessionHeader, ClusterHeader
- SOAPHeaderNamespaces : urn:api.actonsoftware.com, urn:api.actonsoftware.com
- SOAPHeaderTypes : \Api\StructType\ApiSessionHeader, \Api\StructType\ApiClusterHeader
- SOAPHeaders : optional, optional
- documentation: Schedule an email to be sent.