|string> */ public function rules(): array { return [ 'lat' => 'required|string', 'lng' => 'required|string', 'azmayesh_type_id' => 'required|exists:azmayesh_types,id', 'request_date' => 'date', 'report_date' => 'date', 'request_number' => 'string', 'employer' => 'string', 'contractor' => 'string', 'work_number' => 'string', 'project_name' => 'required|string', 'consultant' => 'string', 'applicant' => 'string', 'province_id' => 'required|exists:provinces,id', 'contract_subitem_id' => 'required|exists:contract_subitems,id', ]; } }