title: How to pass parameters in Jmeter for username and login.?
body: <p>I have just been assigned the tasks of doing some research and doing some JMeter tests for performance testing. As I have never used this tool before.!</p>
  
  <p>I just added the IP or address of my project, in that screen there is two textbox for username and password lets say its id are User1 / Pass1. I'm having several authenticate credentials to check. so how can i parameter those from an external sheet.?</p>