Description: The Downstream Trigger in Jenkins is a mechanism that allows jobs or tasks to be activated based on the completion of upstream jobs. This approach is fundamental in continuous integration and continuous delivery (CI/CD), as it enables the establishment of a chain of dependencies between different build and deployment tasks. When an upstream job is completed, the Downstream Trigger automatically initiates one or more downstream jobs, thus facilitating the automation of complex processes. This system not only optimizes the workflow but also minimizes manual intervention, reducing the risk of errors and improving the overall efficiency of software development. Additionally, triggers can be configured to activate under certain conditions, such as the success or failure of an upstream job, providing further control over the integration and delivery process. In summary, the Downstream Trigger is a key tool in Jenkins that effectively manages the interdependencies between jobs, ensuring that the software development lifecycle is smoother and more organized.