---
schema_version: "1"
id: 3650b36429df1dad49d7d9a702a07213d16ff8d5ea997c01ae364b0df7299d35
title: isTimeZoneType
collection: mulesoft
version: current
locale: en-us
portal_url: https://docs.salesforce.com/mulesoft/current/en-us/dataweave/2.3/dw-types-functions-istimezonetype.md
canonical_url: https://docs.mulesoft.com/dataweave/2.3/dw-types-functions-istimezonetype
source_site: docs.mulesoft.com
content_type: documentation
content_hash: 506c29aa26c973cd6ae63d6d2a735c46757b5825eb31f29cb6d9920fdca79605
description: MuleSoft Documentation Site
release: "2.3"
latest: false
---
---
product: DataWeave
version: 2.3
---

# isTimeZoneType

> For the full documentation index, see: https://docs.mulesoft.com/llms.txt

## isTimeZoneType(Type): Boolean

Returns `true` if the input is the TimeZone type.

_Introduced in DataWeave 2.3.0. Supported by Mule 4.3 and later._

### Parameters

<table><colgroup><col> <col></colgroup><thead><tr><th>Name</th><th>Description</th></tr></thead><tbody><tr><td><p>t</p></td><td><p>The type to check.</p></td></tr></tbody></table>

### Example

This example shows how `isTimeZoneType` behaves with different inputs.

#### Source

```DataWeave
%dw 2.0
import * from dw::core::Types
type ATimeZone = TimeZone
output application/json
---
{
   a: isTimeZoneType(ATimeZone),
   b: isTimeZoneType(TimeZone),
   c: isTimeZoneType(String),
}
```

#### Output

```Json
{
  "a": true,
  "b": true,
  "c": false
}
```