You can't really store multiple files in a container field in Filemaker (unless it's a zip file) but there is an easy workaround. Using relationships and portals, you can pretty much achieve the same thing! Watch and learn how!
On this page of the site you can watch the video online Container Fields & Multiple Files with a duration of hours minute second in good quality, which was uploaded by the user FmTutorials 26 June 2009, share the link with friends and acquaintances, this video has already been watched 12,063 times on youtube and it was liked by 7 viewers. Enjoy your viewing!