• Shared libraries in Jenkins Pipelines are reusable pieces of code that can be organized into functions and classes.
• These libraries allow you to encapsulate common logic, making it easier to maintain and share across multiple pipelines and projects.
• Shared library must be inside the vars directory in your github repository
• Shared library uses groovy syntax and file name ends with .groovy extension.

• Login to your Jenkins dashboard. Jenkins Installation
• Go to Manage Jenkins --> System and search for Global Trusted Pipeline Libraries.

Name: Shared
Default version: <branch name>
Project repository: https://github.com/DevMadhup/Jenkins_SharedLib.git

• Go to your declarative pipeline
• Add @Library('Shared') _ at the very first line of your jenkins pipeline.

Note: @Library() _ is the syntax to use shared library.