If you are talking about "Publishing Parameters" then they are set at the report level.

For example here is a scenario:

1. Run the the Report Set in General Ledger (Reports : Submit : Financial). Be sure to select the output type "XML"

2. Once the above process completes successfully, using a GL responsibility, select the Report Manager 'Publish Report Set' menu option.

3. Select Report Set from LOV
Select Update Report Publishing Parameters for each FSG Report
Select Default Template
Select Storage Location / Report Repository => Folder
Additional Presentation Parameters
Submit Report Publishing Parameters for each FSG Report
Select "Publish" check box for each FSG Report
Select Publish

4. After all requests are completed, view the output from the repository, or from the Publish and Presentation requests.