I’m creating a pipeline where I have ton of files that I have to loop through, log and load to snowflake

steps in pipeline

1. get metadata activity
2. filter for files
3. set variable (filename)
4. foreach loop
5. copy data step (copy file to BLOB)
6. data flow – where I take the file in BLOB and add filename) (please lmk if I can do this in copy data step, pretty sure I can’t)

step 6 is where I’m having the issue. where do I create the parameter, in the data flow step itself. or in the source and sink data sets? I create a parameter in the data flow itself but then I don’t see the parameter in the source and sink datasets to parameterize the filename that the flow writes to