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4.13.0 • Public • Published

Azure Pipelines Task SDK

Libraries for writing Azure Pipelines tasks

Reference examples of our in the box tasks are here

TypeScript Tasks

Cross platform tasks are written in TypeScript. It is the preferred way to write tasks once.

NPM version

Step by Step: Create Task

Documentation: TypeScript API, task JSON schema

Guidance: Finding Files, Minimum agent version, Proxy, Certificate

Node 10 Upgrade Notice

Azure DevOps is currently working to establish Node 10 as the new preferred runtime for tasks, upgrading from Node 6. Relevant work is happening in the master branch and the major version should be used with Node 10 is 3. Previous major version is stored in the releases/2.x

Upgrading to Node 10

Upgrading your tasks from Node 6 should be relatively painless, however there are some things to note:

  • Typescript has been upgraded to TS 4. Older versions of TS may or may not work with Node 14 or the 3.x branch. We recommend upgrading to TS 4 when upgrading to task-lib 3.x.
  • Node has made some changes to fs between Node 6 and Node 10. It is worth reviewing and testing your tasks thoroughly before publishing updates to Node 10.

Reference Examples

The ShellScript Task and the XCode Task are good examples.


We are accepting contributions and we try to stay on top of issues.

Contribution Guide.

Logging Issues

Building the library


$ cd node
$ npm install

Build and Test:

$ npm test

Set environment variable TASK_TEST_TRACE=1 to display test output.


We also maintain a PowerShell library for Windows task development.

Library: Powershell Library

Usage: Consuming the SDK

Third Party Notices

To generate/update third party notice file run:

$ node generate-third-party-notice.js

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npm i azure-pipelines-task-lib

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