---
title: "query string · RUAL Documentation"
description: "RUAL query block."
canonical: https://docs.rual.nl/block-types/query/query_bool_query_string_field
language: en
---

# query string

This block is part of the [`query`](https://docs.rual.nl/block-types/query) group and was last modified in core [`v10.4.28`](https://docs.rual.nl/core-versions/100428).

### Connection Type

This block connects from a `query` type block. Make sure to connect this block to the appropriate left-hand side connection.

### Parent Requirements

This block requires specific parent elements: `query_bool_must`, `query_bool_must_not`, `query_bool_filter`, `query_bool_should`, `query_first_defined`. Ensure this block is placed within the appropriate parent context.

- fields required `fielddefinitions`

- search required `value`

- operator (OR) `value`

- Boost `number` Default `1.0`

- query `query`

A typical wiring for [query string](https://docs.rual.nl/block-types/query/query_bool_query_string_field): the `query` out pin feeds [cast to object](https://docs.rual.nl/block-types/query/query_convert_to_object).

![Studio canvas example for the query string block: typical wiring for query string.](https://docs.rual.nl/canvas-examples/query_bool_query_string_field.png)

### Version history

Introduced in [`v10.4.28`](https://docs.rual.nl/core-versions/100428).