If you are unable to locate the search field you are looking for in the Main section of the search page you will find it within Add Fields. The Add Fields feature includes all search fields within the system.
Click on the +Add Fields button
The Search Criteria window will open
2. Locate the search field you would like to use. An entry box will open to the right.
3. Enter the search parameter and click the Blue check mark.
You may locate and use other search fields. Click Close when finished.