When implementing message flows in MuleSoft Mule 4 using AnyPoint Studio, we often come across scenarios where we have to iterate on a large set of data in any type of collection (e.g. Arrays or Maps) and we are required to perform various operations on individual elements from the collection. This is where MuleSoft For Each Scope comes into play and helps us to iterate on a collection of objects. For Each scope which is available in Core Module of AnyPoint Studio is used to split a collection into elements and iterate on each batch of elements.
MuleSoft For Each Scope Tutorial for Beginners
As explained above, For-Each scope in MuleSoft is used for looping or iterating on a collection and perform any actions on collection elements using message processors inside For Each scope as required. By splitting a large collection into individual elements (batch of any size as configured), you can conveniently perform various actions on the collection elements inside For Each Scope.
In this Step by Step Video Tutorial about MuleSoft For Each Scope, you will learn how to use For Each scope in your message flow to implement an example use-case.
By the End of this Tutorial you will know:
* How to configure For Each Scope in a message Flow in AnyPoint Studio. You will learn how to configure Batch Size, counter variable and other available configuration items for For-Each scope.
* You will learn how to iterate on a JSON Array of objects which is received as a Payload for HTTP POST method through HTTP Listener.
* You will learn how to use a Choice Router inside For-Each scope to handle different cases for individual iterated elements.
* You will learn how to write data for individual elements from a Collection to different files using write operation from File Module.
* You will learn how to debug Message Flow containing For Each scope and observe payload inside for each scope for individual elements and complete payload outside For Each scope.
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