/**
* Retrieve details for a particular billing agreement by passing the ID of the agreement to the request URI.
*
* @param string $agreementId
* @param ApiContext $apiContext is the APIContext for this call. It can be used to pass dynamic configuration and credentials.
* @param PayPalRestCall $restCall is the Rest Call Service that is used to make rest calls
* @return Agreement
*/
public static function get($agreementId, $apiContext = null, $restCall = null)
{
ArgumentValidator::validate($agreementId, 'agreementId');
$payLoad = "";
$json = self::executeCall("/v1/payments/billing-agreements/{$agreementId}", "GET", $payLoad, null, $apiContext, $restCall);
$ret = new Agreement();
$ret->fromJson($json);
return $ret;
}