---
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: startsWith (string, substring, startIndex)
layout: subsection
---

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

Returns true if a substring starts at the given index within a given string.

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

`boolean`

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

```
string:startsWith(string, substring, startIndex)
```

<table><thead><tr><th>Parameter</th><th>Description</th></tr></thead><tbody><tr><td>string</td><td>The input String.</td></tr><tr><td>substring</td><td>The substring to find in the string</td></tr><tr><td>startIndex</td><td>The zero-based starting position within the first string</td></tr></tbody></table><br/>

<b>Example</b>

`string:startsWith('boo:and:foo', 'and', 4)`

Returns `true`