Is it possible in filemaker go to change the file name of a picture file that is taken by the iphone camera to a container.
You can't change the name inside the container field. You can export the field contents to disk with a different name, and then re-import into the container though.
Set Variable ($FileName ; SaveYourFileToDocumentFolder + YourNewNameOfFileWithExtension
Export Field ($FileName)
Import Field (YourField ; $FileName
Retrieving data ...