DataWeave 2.1 is compatible with Mule 4.1. Standard Support for Mule 4.1 ended on November 2, 2020, and this version of Mule will reach its End of Life on November 2, 2022, when Extended Support ends.

Deployments of new applications to CloudHub that use this version of Mule are no longer allowed. Only in-place updates to applications are permitted.

MuleSoft recommends that you upgrade to the latest version of Mule 4 that is in Standard Support so that your applications run with the latest fixes and security enhancements.

time(() -> T): TimeMeasurement<T>

Executes the input function and returns a TimeMeasurement object that contains the start and end time for the execution of that function, as well the result of the function.


Name Description


A function to pass to time.


This example passes wait and sum functions (defined in the header), which return their results in TimeMeasurement objects.

%dw 2.0
output application/json
fun myFunction() = dw::Runtime::wait("My result",100)
fun myFunction2() = sum([1,2,3,4])
{ testing: [
    dw::util::Timer::time(() -> myFunction()),
    dw::util::Timer::time(() -> myFunction2())


  "testing": [
      "start": "2018-10-05T19:23:01.49Z",
      "result": "My result",
      "end": "2018-10-05T19:23:01.591Z"
      "start": "2018-10-05T19:23:01.591Z",
      "result": 10,
      "end": "2018-10-05T19:23:01.591Z"

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