title: Using Key Value Pair in Jenkins
body: <p>This is my requirement to have parameters in Jenkins:</p>
  
  <pre><code>1. User selects 3 Values from Dropdown: DEV, QA, PROD
  2. Upon selection I need to return single value as parameter as like this:
   If DEV selected, return "Development http://dev.com 1"
   If QA selected, return "QA http://qa.com 2"
   If PROD selected, return "Production http://prod.com 3"
  3. Once the value is returned in a variable, I will use that variable value in next step of 'Windows batch command'.
  </code></pre>
  
  <p>Where and How can define Key/Values. I tried to use Extended Choice Parameter plugin, but not sure how to do this. </p>