isUnionType

isUnionType(Type): Boolean

Returns true if the input type is the Union type.

Introduced in DataWeave 2.3.0. Supported by Mule 4.3 and later.

Parameters

Name	Description
t	The type to check.

Example

This example shows how isUnionType behaves with different inputs.

Source

%dw 2.0
import * from dw::core::Types
type AType = String | Number
output application/json
---
{
   a: isUnionType(AType),
   b: isUnionType(Boolean),
}

Output

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