Thats a super common $25 to $30 switch. Used on Focus, Fiesta, Explorer, Flex, Edge, Fusion, Taurus, etc. I believe it dates back to late 1990s. Its the same button used under the chrome trim that you use to pop the glass.
Airtex / Wells part number 1S3680. DORMAN part number 901209. Standard DS-1502. Many, many Ford part numbers such as 1L2Z14018AC and 1L2Z14018AA.