1. Download the attached scripts. Copy the contents into Notification custom functions.
2. Goto Admin > Developer Space > Global Function > New > Paste the global function contents and save it with a name.
Update the URL and integration/technician key in the script.
3. Goto Admin > Developer Space > Notification Custom Function > New > Paste the assign_technician.txt content and save it with a name
Update the global function count according to your instance. In my instances, its global_function_5();