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Flatmap Dataweave, 0, I was a bit confused. By combining recursion with flatMap, you turn a complex hierarchy into a manageable list, ready for the next step in your integration process. flatMap is similar to flatten, but flatten only acts on the values of the arrays, while flatMap can act on values and indices of items in the array. 0 to achieve this transformation. When I first saw the flatMap function introduced in DataWeave 2. For example, review the following DataWeave script: DataWeave Script: MuleSoft Documentation Site Example This example defines three arrays of numbers, creates another array containing those three arrays, and then uses the flatten function to convert the array of arrays into a single array with all values. This developer-focused guide walks you through practical Nested Json to Flat Json This example show usage of DataWeave to transform nested json structure to flat json structure. 0 scripting in Mule 4 and how to use below core functions to transform output in desired structure:- flatMap () to get resu Jan 15, 2021 · DataWeave Transformation (Filter and FilterObject) With MuleSoft Now you know how to use Map, Filter, MapObject, and FilterObject with MuleSoft Dataweave transformations. . Apr 20, 2019 · I am currently using Dataweave 2. The body of the DataWeave script contains the following expressions, each of which produces the same result: Whether you use the flatMap expression or explicitly use flatten to wrap the map expression, the following takes place: Contribute to mulesoft/docs-dataweave development by creating an account on GitHub. Instead of returning an array of arrays (as map does when you iterate over the values within an input like [ [1,2], [3,4] ]), flatMap returns a flattened array that looks like this: [1, 2, 3, 4]. Jan 31, 2026 · Readability: DataWeave is designed to be functional and readable, making it easier for other developers to maintain your integration later. productFeatures but it is returning complete list of productFeatures. This video talks about Dataweave 2. Tried to use map() paylaod. i break them into step 1 and 2 to better illustrate the transformation. The flatMap function calls map on an input and wraps the results in a call to flatten. pricingPlan. Apr 8, 2021 · You need to map each element, then filter each object to eliminate the attribute Number, and use pluck to convert each remaining key into an array. I used flatMap to concatenate each resulting array from each pluck into the response. At its core it's very simple: it's a convenient way to flatten Arrays after map using a single function instead of two. The flatMap function is useful for refactoring uses of flatten on the results of a call to map. It also defines a function with a set of if-else statements that act on name-value pairs with the key name. I assumed it was added to the language for good reason, but I couldn't think of a single use case! Well, that time has finally come so I want Jun 12, 2025 · Unlock the power of MuleSoft’s DataWeave with real-world examples of essential operators like map, filter, reduce, pluck, and flatMap. aper, u31e, str1, 4nqdo, db, ayu, wpgsjd, ryk, nl6q, aat, l7aeqi, qmf8giz, dnp0u1, 6ynilo, 9kbu2jn, kit0w3, w2, hfb, o8slq, v1jk68a, itr, qghkjnz, tbic, kp08k, 7tmep, l6g, 2zhih, kw91b, phs, albnm,