Get the item id in getRelations

public static function getRelations(): array
    {   
        $customer = Customer::find(1);
        $repairs = $customer->repairs()->count();
        $companies = $customer->companies()->count();
        $relations = [];
        if($repairs > 0) {
            $relations[] = RelationManagers\RepairsRelationManager::Class;
        }
        if($companies > 0)  {
            $relations[] = RelationManagers\CompaniesRelationManager::Class;
        }

        return $relations;
    }