---
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: isBlank ( )
layout: subsection
---

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

Returns true if a String is empty (""), null or whitespace only.

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

`boolean`

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

```
thisString.isBlank()
```

<b>Example</b>

`''.isBlank()`

Returns `true`

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

```
string:isBlank(string)
```

<table><thead><tr><th>Parameter</th><th>Description</th></tr></thead><tbody><tr><td>string</td><td>The input String.</td></tr></tbody></table><br/>