---
schema_version: "1"
id: 5dc6413e81beba6c341c35b9dd163fac43aa50bf3fc6b3007d4a486843faaa98
title: isIntersectionType
collection: mulesoft
version: current
locale: en-us
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canonical_url: https://docs.mulesoft.com/dataweave/2.11/dw-types-functions-isintersectiontype
source_site: docs.mulesoft.com
content_type: documentation
content_hash: 441fd697988c58bb69365a88e0faeb482e01f84a66050d296cd3c9f2b3b154f4
description: MuleSoft Documentation Site
release: "2.11"
latest: false
---
---
product: DataWeave
version: 2.11
---

# isIntersectionType

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

## isIntersectionType(t: Type): Boolean

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

_Introduced in DataWeave version 2.3.0._

### Parameters

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

### Example

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

#### Source

```DataWeave
%dw 2.0
import * from dw::core::Types
type AType = {name: String} & {age: Number}
output application/json
---
{
   a: isIntersectionType(AType),
   b: isIntersectionType(Boolean),
}
```

#### Output

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