---
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id: 052f3c384b2b1d348dec26c853c5ee61dd09a9d96c08ce4d105ad2d969012e28
title: isBinaryType
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---
---
product: DataWeave
version: 2.13
is-latest-version: true
---

# 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
}
```