> ## Documentation Index
> Fetch the complete documentation index at: https://docs.alumio.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Accessors

This page will explain what accessors are and how they are used to target data inside transformers.

The following accessor are available:

| Name                                                           | Description                                                                             |
| -------------------------------------------------------------- | --------------------------------------------------------------------------------------- |
| [Apply accessor to child items](/references/accessor/children) | Applies another accessor to each child item matching the supplied pattern.              |
| [By key](/references/accessor/key)                             | Accesses values at the supplied keys.                                                   |
| [By key-value structure](/references/accessor/structure)       | Accesses values in a list where each item has a configurable key field and value field. |
| [By pattern](/references/accessor/pattern)                     | Accesses values whose paths match the supplied pattern.                                 |