No you cannot.
Workflow scan absolutely has a template, if you choose nothing on Workflow scan it is only because the Default template is already selected.Which is:
CWIS > Properties > Services > Network Scanning > Default template
If you are scanning to email, or Scan to PC, or Scan to Folder, or Scan to USB, which you did not state, then the same option is available, in a in a different place to set the default, in the same place to do it during a scan.
When looking for help from people you have never met, you need to be as clear as possible, especially for asking help on a device that has so very many ways to do a job.