$upsert

Insert a new record or update an existing record in the table based on the provided conditions. The $upsert method ensures that if a matching record exists, it will be updated; otherwise, a new record will be created. This method is useful for operations where you want to ensure data consistency without performing separate insert and update queries.

Query	Parameter's
$where	<StaticProps>
$update	⇒ <UpdateOptions>
$rules	⇒ <RulesOptions>
$options	⇒ <FindOptions>

var updateOrCreate = await Member.$upsert({
    $where: {
        badges: {
            $in: [['verified']]
        }
    },
    $update: {
        $set: {
            badges: ['Special']
        }
    },
    $options: {
        $multi: false
    },
    $rules: {
        badges: {
            $required: true
        }
    }
});