isUnionType

isUnionType(t: Type): Boolean

Returns true if the input type is the Union type.

Introduced in DataWeave version 2.3.0.

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
}

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