---
category: [Administration & Integrations, Platform and Product Extensions, Platform and Product Extensions/Integration, Administration & Integrations/Custom Integrations & Apps, Platform and Product Extensions/Workday Extend]
keyword: [Extend, PMD Scripting, Scripts]
nav: wcp_docs
parent_url: /wcp_docs/
title: mapAttribute (list, key)
layout: subsection
---

## <a id="section_m3p_myb_5db"></a>Description

Returns a list of attribute values whose key matches a given key in a list of key/value pairs.

## <a id="section_cyq_j1m_zsb"></a>Return Type

`List`

## <a id="section_dz5_pwg_5db"></a>Namespace Function Syntax

```
list:mapAttribute(list, key)
```

<table><thead><tr><th>Parameter</th><th>Description</th></tr></thead><tbody><tr><td>list</td><td>A map list of Objects with key/value pairs</td></tr><tr><td>key</td><td>An attribute key in the list</td></tr></tbody></table><br/>

<b>Example</b>

Assume <i>theList</i> is <i>[{"key": "value0"}, {"key": "value1"}]</i>.

`list:mapAttribute(theList, 'key')`

Returns `['value0', 'value1']`