title: Dropdown box edit to trigger setValue
body: <p>I'm looking for a way to use a dropdown(B5) trigger, just any edit, to copy the value of a cell(L6) to another(E3). I can't put the formula directly in the cell as I need to be able to edit it.</p>
  <p><a href="https://i.stack.imgur.com/njOQ1.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/njOQ1.png" alt="enter image description here" /></a></p>
  <p>I've really hit a wall, the help would be appreciated!</p>