pipeline {
    agent none

    parameters {
        string(name: 'testParam', defaultValue: 'defaultval', description: 'Enter some value')
    }

    stages {
        stage('First test') {
            steps {
                script {
                    node {
                        sh """
                        echo ${params.testParam}
                        """
                    }
                }
            }
        }
    }
}