[ 'student_invoice' => 'Student Invoice', 'vendor_bill' => 'Vendor Bill', 'credit_note' => 'Credit Note', ], 'invoice_status' => [ 'draft' => 'Draft', 'issued' => 'Issued', 'partially_paid' => 'Partially Paid', 'paid' => 'Paid', 'void' => 'Void', ], ];