title: Unreal Engine blueprint node and pin extension
body: <p>I am new to Unreal Engine and was trying to customize my own blueprint according to some tutorial online. However, I did not know which function to call when trying to extend a node and a pin. What I am trying to achieve is as below: </p>
  
  <p><a href="https://i.stack.imgur.com/Luzop.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Luzop.png" alt="enter image description here"></a></p>
  
  <p>There are 2 parts here that I could not figure it out. </p>
  
  <ol>
  <li>How to extend the "Handle Location" variable, so that I could obtain the X:0, Y:0, Z:0 box as seen above?</li>
  <li>How to create the pin extension box, where one node is able to connect to another 2 nodes?</li>
  </ol>