---
schema_version: "1"
id: 8de9f305cf771f67151e189d6ae5d8b04e01085b86c15fa4f61a9abdd9c2967f
title: isBinaryType
collection: mulesoft
version: current
locale: en-us
portal_url: https://docs.salesforce.com/mulesoft/current/en-us/dataweave/2.4/dw-types-functions-isbinarytype.md
canonical_url: https://docs.mulesoft.com/dataweave/2.4/dw-types-functions-isbinarytype
source_site: docs.mulesoft.com
content_type: documentation
content_hash: 4a62ae643dc658b3bbda756441ca2f3f5f835ae84995b38c28cd0356f4eaa4f4
description: MuleSoft Documentation Site
release: "2.4"
latest: false
---
---
product: DataWeave
version: 2.4
---

# isBinaryType

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

## isBinaryType(t: Type): Boolean

Returns `true` if the input is the Binary 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 `isBinaryType` behaves with different inputs.

#### Source

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

#### Output

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