title: Azure pipeline concatenating variable names and accessing new variable value
body: <p>In my Azure pipeline I have 2 vairables <code>$name1 = hello $name2 = world</code>. Those variable value change at run time.</p>
  
  <p>I can concatenate those 2 variable value which will create $helloworld variable.</p>
  
  <p>How do I access $helloworld value? $Helloworld variable is also declared in the pipeline</p>
  
  <p>I'm trying to pass the value of this variable as an argument to the powershell</p>
  
  <p>The following doesn't seem to work <code>$($(name1)$(name2))</code></p>