'Invoice Number', 'invoice_date' => 'Invoice Date', 'total_price' => 'Total Price', 'due_date' => 'Due Date', 'order_number' => 'Order Number', 'bill_to' => 'Bill To', 'quantity' => 'Quantity', 'price' => 'Price', 'sub_total' => 'Subtotal', 'tax_total' => 'Tax Total', 'total' => 'Total', 'item_name' => 'Item Name|Item Names', 'payment_due' => 'Payment Due', 'paid' => 'Paid', 'histories' => 'Histories', 'payments' => 'Payments', 'add_payment' => 'Add Payment', 'mark_paid' => 'Mark Paid', 'mark_sent' => 'Mark Sent', 'download_pdf' => 'Download PDF', 'send_mail' => 'Send Email', 'status' => [ 'draft' => 'Draft', 'sent' => 'Sent', 'viewed' => 'Viewed', 'approved' => 'Approved', 'partial' => 'Partial', 'paid' => 'Paid', ], 'messages' => [ 'email_sent' => 'Invoice email has been sent successfully!', 'marked_sent' => 'Invoice marked as sent successfully!', ], 'notification' => [ 'message' => 'You are receiving this email because you have an upcoming :amount invoice to :customer customer.', 'button' => 'Pay Now', ], ];