How to use the Index field as part of the output filename?
Open your workflow-> 5. Indexing tab-> New...-> Enter your document type name->Add...->Enter your indexing field name
In your Output tab-> Filename-> click drop down arrow and select Custom...
Select IndexField->Insert Element...-> and input your index name; for example, <MyIndexField> in the angle brackets
It will be something like this:
Now when you drop in the image for recognition and go to the Indexing station-> draw the region around the field you want to index. Then accept the document to continue to the next stage
The result output will be: