![DataWeave reduce function: How to loop through and transform an Array into a different type | MuleSoft Developers DataWeave reduce function: How to loop through and transform an Array into a different type | MuleSoft Developers](https://developer.mulesoft.com/content/media/tutorials/dataweave/dw-fun-reduce/image4.png)
DataWeave reduce function: How to loop through and transform an Array into a different type | MuleSoft Developers
![DataWeave reduce function: How to loop through and transform an Array into a different type | MuleSoft Developers DataWeave reduce function: How to loop through and transform an Array into a different type | MuleSoft Developers](https://developer.mulesoft.com/content/media/tutorials/dataweave/dw-fun-reduce/image5.png)
DataWeave reduce function: How to loop through and transform an Array into a different type | MuleSoft Developers
![Session 4 : Dataweave 2.0 | distinctBy | groupBy | joinBy | Reduce functions | Mule 4 | Mulesoft - YouTube Session 4 : Dataweave 2.0 | distinctBy | groupBy | joinBy | Reduce functions | Mule 4 | Mulesoft - YouTube](https://i.ytimg.com/vi/A8n688c45tQ/maxresdefault.jpg)
Session 4 : Dataweave 2.0 | distinctBy | groupBy | joinBy | Reduce functions | Mule 4 | Mulesoft - YouTube
![Mulesoft Tutorials | DataWeave – Define DW Custom Functions Part 11 | DataWeave | NetBook | P24 - YouTube Mulesoft Tutorials | DataWeave – Define DW Custom Functions Part 11 | DataWeave | NetBook | P24 - YouTube](https://i.ytimg.com/vi/BnXzZ362dqw/maxresdefault.jpg)