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Data Transformer functions
This page describes the additional set of predefined Jsonnet functions for Data Transformer Script task available in Application Integration.
To use the following predefined functions, you must import the functions library in your script. Importing the functions library lets you use both the standard Jsonnet functions and the predefined Data Transformer functions.
Application Integration supports Jsonnet functions library v0.20.0. For information about the Jsonnet standard functions, see Jsonnet Standard Library.
Jsonnet usage reference
Jsonnet is a purely functional language and its programs are composed of expressions. For information about how to form these expressions, see Jsonnet Expressions.
Functions
The following table lists the predefined functions available in Application Integration:
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-09-04 UTC."],[[["\u003cp\u003eThis page details predefined Jsonnet functions for the Data Transformer Script task in Application Integration.\u003c/p\u003e\n"],["\u003cp\u003eYou can use both standard Jsonnet functions and predefined Data Transformer functions by importing the \u003ccode\u003efunctions\u003c/code\u003e library in your script.\u003c/p\u003e\n"],["\u003cp\u003eThe Data Transformer offers a variety of function types, including array, aggregate, hash, JSON, mathematical, string, timestamp, utility, and XML functions.\u003c/p\u003e\n"],["\u003cp\u003eThe Data Transformer Script task is a Pre-GA feature, and it may have limited support, so be sure to review the Pre-GA Offerings Terms.\u003c/p\u003e\n"],["\u003cp\u003eApplication Integration supports Jsonnet functions library v0.20.0.\u003c/p\u003e\n"]]],[],null,["# Data Transformer functions\n\n| **Preview\n| --- Data Transformer Script task**\n|\n|\n| This feature is subject to the \"Pre-GA Offerings Terms\" in the General Service Terms section\n| of the [Service Specific Terms](/terms/service-terms#1).\n|\n| Pre-GA features are available \"as is\" and might have limited support.\n|\n| For more information, see the\n| [launch stage descriptions](/products#product-launch-stages).\n\nData Transformer functions\n==========================\n\nThis page describes the additional set of predefined Jsonnet functions for [Data Transformer Script](/application-integration/docs/configure-data-transformer-script-task) task available in Application Integration.\n\n\nTo use the following predefined functions, you must import the `functions` library in your script. Importing the `functions` library lets you use both the standard Jsonnet functions and the predefined **Data Transformer** functions.\n\n\nApplication Integration supports Jsonnet functions library v0.20.0. For information about the Jsonnet standard functions, see [Jsonnet Standard Library](https://jsonnet.org/ref/stdlib.html).\n\nJsonnet usage reference\n-----------------------\n\nJsonnet is a purely functional language and its programs are composed of expressions. For information about how to form these expressions, see [Jsonnet Expressions](https://jsonnet.org/ref/language.html#expressions).\n\nFunctions\n---------\n\nThe following table lists the predefined functions available in Application Integration:\n\nRecommendation\n--------------\n\n- Lean how to add and configure a [Data Transformer Script task](/application-integration/docs/configure-data-transformer-script-task) ([Preview](/terms/service-terms#1))"]]
