# List mapper Transformer

**URL:** <https://forum.alumio.com/t/list-mapper-transformer/1435>\
**Category:** Transformers\
**Created:** [November 22, 2024, 12:00pm UTC](https://forum.alumio.com/t/list-mapper-transformer/1435 "2024-11-22T12:00:23Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![o.plokha](https://forum.alumio.com/user_avatar/forum.alumio.com/o.plokha/32/337_2.png) [@o.plokha](https://forum.alumio.com/u/o.plokha)\
**Post date:** [November 22, 2024, 12:00pm UTC](https://forum.alumio.com/t/list-mapper-transformer/1435/1 "2024-11-22T12:00:23Z")

</div>

### Table of contents

- General description
- The different parts of the List Mapper Transformer

### **General description**

The “List mapper” Transformer can be used to perform actions on lists.

### **The different parts of the List Mapper Transformer**

- **Accessor** **(required field)**  
With this field, the Accessor selects the data to be filtered from the entity. Refer to “Accessors” for more details.

- **Mappers** **(required field)**  
This field helps choose from a list of mappers to apply to the data.

 ![image](https://alumio-forum.s3.dualstack.eu-central-1.amazonaws.com/uploads/original/2X/5/5dab7715675740c7135f86fcbda2fcaeed19f107.jpeg)