arrayItem

arrayItem(Type): Type

Returns the type of the given array. This function fails if the input is not an Array 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 arrayItem behaves with different inputs.

Source

%dw 2.0
import * from dw::core::Types
type ArrayOfString = Array<String>
type ArrayOfNumber = Array<Number>
type ArrayOfAny = Array<Any>
type ArrayOfAnyDefault = Array
output application/json
---
{
   a: arrayItem(ArrayOfString),
   b: arrayItem(ArrayOfNumber),
   c: arrayItem(ArrayOfAny),
   d: arrayItem(ArrayOfAnyDefault)
}DataWeave

Output

{
  "a": "String",
  "b": "Number",
  "c": "Any",
  "d": "Any"
}Json