Jenkinsfile snippet with an example of a stage which is run on multiple nodes using matrix directive

Jenkinsfile

pipeline {
    agent none
    stages {
        stage('Run on multiple nodes') {
            matrix {
                axes {
                    axis {
                        name 'AGENT'
                        values 'node1', 'node2', 'node3'
                    }
                }
                agent { label AGENT }
                stages {
                    stage('Test') {
                        steps {
                            echo "Running on ${AGENT}"
                            // Add your steps here
                        }
                    }
                }
            }
        }
    }
}