node {
 stage('Preparation') { 
     properties([
         parameters([
             string(
                 defaultValue: 'h7557h',
                 description: 'Kaggle username',
                 name: 'KAGGLE_USERNAME',
                 trim: false
             ),
             password(
                 defaultValue: '',
                 description: 'Kaggle token',
                 name: 'KAGGLE_KEY'
             )
         ])
     ])
 }
 stage('Build') {
     withEnv(["KAGGLE_USERNAME=${params.KAGGLE_USERNAME}",
              "KAGGLE_KEY=${params.KAGGLE_KEY}" ]) {
         sh 'echo KAGGLE_USERNAME: $KAGGLE_USERNAME'
         sh 'kaggle datasets list'
     }
 }
}