['required', 'array', 'min:1'], 'ids.*' => ['required', 'integer', 'exists:performance_reports,id'], ]; } public function messages(): array { return [ 'ids.required' => __('validation.required', ['attribute' => '실적신고 ID']), 'ids.min' => __('validation.min.array', ['attribute' => '실적신고 ID', 'min' => 1]), ]; } }