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# Configuration Languages

Configuration Languages documents the two languages used across Tool Studio: DSL for rules, conditions and single-value expressions, and the Data Mapper (Bender) for transforming data. The reference pages define each language, the examples and common patterns show working snippets, the playground and DSL Builder test expressions against sample data, and the Data Dictionary lists the data objects your rules evaluate against.

## In this section

* [DSL and Mapper Playground (API Key)](/api-reference/configuration-languages/dsl-and-mapper-playground)
* [DSL and Data Mapper Playground in Setup](/api-reference/configuration-languages/dsl-and-mapper-playground-new)
* [Common DSL & Mapper Patterns](/api-reference/configuration-languages/common-dsl-mapper-patterns)
* [DSL](/api-reference/configuration-languages/dsl)
* [Examples: String Utils](/api-reference/configuration-languages/dsl/examples-string-utils)
* Mapper
  * [Mapping 2D Arrays to Lists of JSON](/api-reference/configuration-languages/mapper/mapping-2d-arrays-to-lists-of-json)
  * [Examples: Parsing a Streamed Response](/api-reference/configuration-languages/mapper/examples-parsing-a-streamed-response)
  * [Examples: Sending an XML Request](/api-reference/configuration-languages/mapper/examples-sending-an-xml-request)
* [DSL Builder & Evaluator](/api-reference/configuration-languages/dsl-builder-evaluator)
* [Custom Attributes](/api-reference/configuration-languages/custom-attributes)
* [DSL Reference](/api-reference/configuration-languages/moveworks-dsl-reference)
* [Data Mapper Reference](/api-reference/configuration-languages/moveworks-bender-language-reference)
* [Moveworks Data Mapper Common Examples](/api-reference/configuration-languages/moveworks-bender-language-reference/moveworks-bender-common-examples)
* [Data Dictionary](/api-reference/configuration-languages/data-dictionary)