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azure-devopsazure-pipelines-tasks

what is the @ + number means for task name

I found many task names are end up with @ sign plus a number, please see example below

# Provides credentials for Azure Artifacts feeds and external Maven repositories.
- task: MavenAuthenticate@0
  #inputs:
    #artifactsFeeds: MyFeedInOrg1, MyFeedInOrg2 # Optional
    #mavenServiceConnections: serviceConnection1, serviceConnection2 # Optional

What's the purpuse of this @0 for universal identity?

Solution

  • It represents for task version.

    And this configuration corresponds to the task version selection operation from UI:

    enter image description here

    In your scenario, after the pipeline start to run, it will download MavenAuthenticate task which version is 0.*.