Fix

Jenkinsfile

@@ -0,0 +1,27 @@
+node {
+ stage('Preparation') { 
+     properties([
+         parameters([
+             string(
+                 defaultValue: 'jaszwajcar',
+                 description: 'Kaggle username',
+                 name: 'KAGGLE_USERNAME',
+                 trim: false
+             ),
+             password(
+                 defaultValue: '',
+                 description: 'Kaggle token taken from kaggle.json file, as described in https://github.com/Kaggle/kaggle-api#api-credentials',
+                 name: 'KAGGLE_KEY'
+             )
+         ])
+     ])
+ }
+     stage('Build') {
+     // Run the maven build
+     withEnv(["KAGGLE_USERNAME=${params.KAGGLE_USERNAME}",
+              "KAGGLE_KEY=${params.KAGGLE_KEY}" ]) {
+         sh 'echo KAGGLE_USERNAME: $KAGGLE_USERNAME'
+         sh 'kaggle datasets list'
+     }
+ }
+}