Custom Requests view filter to search for Radio and Check box

Custom Requests view filter to search for Radio and Check box

Hi everyone, I created customer Radio box field with 2 Values in the form, but I can't seem to find how to create a filter view to detect the Radio box selection.
When I create the Request Filter View for that custom field, I was present with a blank entry box. So what should enter to detect which Radio box (or check box) is/are selected.

Thanks!

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