Insert Key on a Mac

When using my mac book and I RDP into my PC where Sage 300 is installed there are times I am stuck becuase Sage 300 requirese a insert key to add to a grid   Has anyone found a reliable method to send a insert key.  I tried autohotkeys a simple script but doesn't seem to work with sage works with other applications.  The script I wrote was

^J::

  Send, {insert}