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Clicking of "Video" will expand the category for the following choices:
Format: A drop down menu with the choices:
dvd or vhs
Director: enter the director's name
Release date: Enter the date of release
Starting: enter the main stars of the video
Rating: A drop down menu with the choices:
G, PG, PG13, R, NR

Related documentation

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Configuring Google Product Search FTP File Feed

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