Doctrine\MongoDB\Aggregation\Stage\Operator::meta PHP Method

Returns the metadata associated with a document in a pipeline operations.

See also: http://docs.mongodb.org/manual/reference/operator/aggregation/meta/

See also: Expr::meta

public meta ( $metaDataKeyword )
$metaDataKeyword

    public function meta($metaDataKeyword)
    {
        $this->expr->meta($metaDataKeyword);
        return $this;
    }

Operator