'array', 'payment_request' => 'array', 'paymentables' => 'array', ]; public const INVOICE_MARK_PAID = 1; public const INVOICE_UPDATED = 2; public const INVOICE_DELETED = 3; public const INVOICE_PAYMENT_APPLIED = 4; public const INVOICE_CANCELLED = 5; public const INVOICE_FEE_APPLIED = 6; public const PAYMENT_MADE = 100; public const PAYMENT_APPLIED = 101; public const PAYMENT_REFUND = 102; public const PAYMENT_FAILED = 103; public const GATEWAY_PAYMENT_MADE = 104; public const PAYMENT_DELETED = 105; public const CLIENT_STATUS = 200; }