/**
* Build all the data structures needed to build the form.
- *
- * @return void
*/
public function preProcess() {
$id = CRM_Utils_Request::retrieve('id', 'Positive',
/**
* Process the form after the input has been submitted and validated.
- *
- *
- * @return void
*/
public function postProcess() {
// get all the details needed to generate a receipt