# Map to an attribute within a list transform action

## Use case

You are trying to create a list of users from a Microsoft Graph return and want to create a flat list of all the display names for the users.

## Overview

<figure><img src="https://1835401289-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FAQQ1EHVcEsGKBPVHmiav%2Fuploads%2F5KgDbEGxnxwl4G2txRQv%2FScreenshot%202025-03-28%20at%2011.29.02%E2%80%AFAM.png?alt=media&#x26;token=1bdf30a0-6689-44f0-be58-48ce41021e50" alt=""><figcaption></figcaption></figure>

Map to an attribute for each dictionary object in a list.

## Parameters

<table><thead><tr><th width="217">Parameter</th><th width="417.3333333333333">Description</th><th data-type="checkbox">Required</th></tr></thead><tbody><tr><td>Attribute</td><td>The attribute to map to, dot notation can be used. For example, result.result</td><td>true</td></tr><tr><td>List</td><td>The list you would like to perform the map on.</td><td>true</td></tr></tbody></table>

{% hint style="info" %}
This is useful for working with results returned from actions running with items so you don't have to worry about the nested result keys.
{% endhint %}

## Usage

<details>

<summary>Example 1: Mapping to usernames in a response</summary>

Inputs:

**Attribute:** result.result.data.username

**List:**

```json
[
  {
    "result": {
      "result": {
        "data": {
          "username": "amorton"
        }
      }
    }
  },
  {
    "result": {
      "result": {
        "data": {
          "username": "bmorton"
        }
      }
    }
  },
  {
    "result": {
      "result": {
        "data": {
          "username": "cmorton"
        }
      }
    }
  },
  {
    "result": {
      "result": {
        "data": {
          "username": "dmorton"
        }
      }
    }
  },
  {
    "result": {
      "result": {
        "data": {
          "username": "emorton"
        }
      }
    }
  }
]
```

</details>

## Results output

This transform is expected to return a new list that is mapped to the selected attribute.

Example of result for Example 1:

```json
[
  "amorton",
  "bmorton",
  "cmorton",
  "dmorton",
  "emorton"
]
```


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