diff --git a/Jenkinsfile b/Jenkinsfile
index e208655..f4b1097 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -2,14 +2,12 @@
 
 properties(
     [
-        string(name: 'Name', defaultValue: 'denes'),
-        string(name: 'Age', defaultValue: '34')
+        booleanParam(defaultValue: true, description: '', name: 'userFlag')
     ]
 )
 
 node('master') {
 	stage('Print params') {
-		sh "echo "${params.Name}"
-		sh "echo "${params.Age}"
+		echo "flag: ${params.userFlag}"
 	}
 }