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  5. arrayItem

arrayItem

arrayItem(t: Type): Type

Returns the type of the given array. This function fails if the input is not an Array type.

Introduced in DataWeave version 2.3.0.

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)
}

Output

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