diff --git a/Jenkinsfile b/Jenkinsfile
index 1692276..a1dbcbc 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -2,6 +2,24 @@ pipeline {
     agent any
     
     stages {
+        stage('Preparation') { 
+         properties([
+             parameters([
+                 string(
+                     defaultValue: 'tomaszzitkiewicz',
+                     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('Clone Repository') {
             steps {
                 git 'https://git.wmi.amu.edu.pl/s464953/ium_464953.git'
@@ -20,4 +38,4 @@ pipeline {
             }
         }
     }
-}
+}
\ No newline at end of file