---
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: add (index, element)
layout: subsection
---

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

Inserts the specified element at the specified 0-based index position in the list. If the element already exists in the list, this function still adds it at the specified position in the list.

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

`List`

## <a id="section_dz5_pwg_5db"></a>Instance Method Syntax

```
thisList.add(index, element)
```

<table><thead><tr><th>Parameter</th><th>Description</th></tr></thead><tbody><tr><td>index</td><td>The index position in the list.</td></tr><tr><td>element</td><td>The object element to add.</td></tr></tbody></table><br/>

<b>Example</b>

`[1, 3].add(1, 2)`

Returns `[1, 2, 3]`

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

```
list:add(list, index, element)
```

<table><thead><tr><th>Parameter</th><th>Description</th></tr></thead><tbody><tr><td>list</td><td>The input List.</td></tr><tr><td>index</td><td>The index position in the list.</td></tr><tr><td>element</td><td>The object element to add.</td></tr></tbody></table><br/>