title: Can I define Global Variables across Build Definitions in VSTS?
body: <p>In VSTS it is possible to create variables per build definition as per the Microsoft documentation</p>
  
  <p><a href="https://www.visualstudio.com/en-us/docs/build/define/variables" rel="nofollow">https://www.visualstudio.com/en-us/docs/build/define/variables</a></p>
  
  <p>Is it possible to define global variables that I can use across multiple build definitions? </p>
  
  <p>Scenario:</p>
  
  <p>I have a variable 'MyPassword' that is used in multiple definitions. If I want to change the value of 'MyPassword' I have to do it in each build definition rather than just in one global variable.</p>