You must have to do this:
1. Navigate to Service Catalog / Open Records / Requests
2. Open a request
3. In the request form, click here
4. The next windows is open, to select the columns you want to add/remove of the form
5. You must select "Parent" in the left and click on the > button. This add the column to the form
6. If the column is in grease colour (its read only) you must make this "editable"
7. In the request form, click here
8. The form desing windows opens. You must configure the "parent column" to editable
9. In the parent column, clik on the configure icon (like a gear)
10. The properties column windows open and you must unchecked the "read only" property
11. Save the form
Ariel
PS: If my answer is correct, please mark it as correct. If you find it helpful, mark it as helpful
