...
Note that effectively, the processes process remains unaltered. If the value of approval is "accept" it will route to the HOD. Any other value, and the email will be sent.
...
A fork is used when your process needs to split separate ways concurrently, meaning that your process is now travelling along 2 separate paths (hence, "fork"). Let's say, for instance, that in our given example, once the requestor submits his leave application, a notification gets sent to both his supervisor and HOD at the same time. If that is the case, we'll need to add a route, set the split type to "and" and our process will look like:
...