Preapproval() public method

Service Call: Preapproval
public Preapproval ( PreapprovalRequest $preapprovalRequest, mixed $apiCredential = NULL ) : Types\AP\PreapprovalResponse
$preapprovalRequest PreapprovalRequest
$apiCredential mixed - Optional API credential - can either be a username configured in sdk_config.ini or a ICredential object created dynamically
return Types\AP\PreapprovalResponse
 * (Optional) Whether to display the maximum total amount of this preapproval. It is one of the following values:
   TRUE – Display the amount
    FALSE – Do not display the amount (default)
*/
if ($_POST['displayMaxTotalAmount'] != null) {
    $preapprovalRequest->displayMaxTotalAmount = $_POST['displayMaxTotalAmount'];
}
/*
* 	 ## Creating service wrapper object
Creating service wrapper object to make API call and loading
Configuration::getAcctAndConfig() returns array that contains credential and config parameters
*/
$service = new AdaptivePaymentsService(Configuration::getAcctAndConfig());
try {
    /* wrap API method calls on the service object with a try catch */
    $response = $service->Preapproval($preapprovalRequest);
} catch (Exception $ex) {
    require_once 'Common/Error.php';
    exit;
}
?>
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<html>
<head>
<title>PayPal Adaptive Payments - Preapproval</title>
<link href="Common/sdk.css" rel="stylesheet" type="text/css" />
<script type="text/javascript" src="Common/sdk_functions.js"></script>
</head>

<body>
	<div id="wrapper">