How to Create a Parameterized Jenkins Job?| S-Logix

How to Create a Parameterized Jenkins Job that Asks for a User Name and Prints a Custom Greeting Message During the Build?

Condition for Create a Parameterized Jenkins Job that Asks for a User Name and Prints a Custom Greeting Message During the Build

Description:
This task helps you to configure a Parameterized Build Job in Jenkins. When executing the job, Jenkins will display a form asking for the user’s name. After submitting, Jenkins will print the line:
```
➡ Hello , welcome to Jenkins!
```
This teaches how parameters are used to pass values into Jenkins jobs at runtime.

Steps

Step 1 — Create a New Jenkins Job
Description: Begin by creating a new job that will accept parameters.
Click New Item (Left Menu)
Enter item name: greet-user
Select Freestyle project
Click OK
Step 2 — Enable Build Parameters
Description: Allow the job to accept user input before build starts.
Scroll to the General or Build Triggers section
Check ✔ This build is parameterized

Step 3 — Add a String Parameter
Description: Create a parameter that accepts a name input.
Click Add Parameter
Select String Parameter
Fill details:Now fill details:

Field	Value
Name	USERNAME
Default Value	Jenkins User
Description	Enter your name (optional)

Step 4 — Add Build Step
Description: Create a shell script that prints the value entered by the user.
Scroll to Build section
Click Add build step → Execute shell
Paste this shell script:
```
echo "Hello $USERNAME, welcome to Jenkins!"
```
Step 5 — Save the Job
Description: Save the job settings to apply configuration.
Click Save
Step 6 — Run the Parameterized Build
Description: Trigger the job and provide input.
Click Build with Parameters
Enter name (Example: java)
Click Build
Step 7 — View Output
Description: Verify that the greeting is printed in console.
Open Build #1 → Console Output
Expected Output:
```
Hello java, welcome to Jenkins!
```