invoices = $invoices; } public function array(): array { return $this->invoices; } public function headings(): array { return ['ID', 'Nama', 'Email', 'Provinsi','Nama UPT', 'No Telp', 'No HP', 'No Fax', 'Alamat', 'Hak Akses']; } public function startCell(): string { return 'A1'; } }