Paramiter issue about indipay HOT 2 OPEN

        'key' => 'RDey6p1q',
        'txnid' => '1233221223322',
        'surl' => 'paymentsuccess',
        'furl' => 'paymentfailure',
        'firstname' => 'krishan',
        'email' => '[email protected]',
        'phone' => '8014700382',
        'productinfo' => 'prodact1',
        'service_provider' => 'payu_paisa',
        'amount' => '100',
    ];

    $order = Indipay::gateway('PayUMoney')->prepare($parameters);
   return Indipay::process($order);