To change details of the file in the schema:

• Double click on the item in the file list of the main form;
• Edit file details and click on OK button.

To add data rule to the specific field:

• Select the file in the main from;
• Double click on the field you want to edit;
• In the Field Details form right click on the Rules node and in the pop-up menu select the type of the rule you want to add to the schema.