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Container functions Container functions calculate, manipulate, and report on data in container fields. Click a function name for details. This function Returns Base64Decode Container content from text encoded in Base64 format. Base64Encode The contents of the specified field as text in Base64 format. GetContainerAttribute The file metadata of the specified container field. GetHeight The height, in pixels, of the content in a container field that holds images. GetThumbnail A thumbnail image of the content in a container field, according to a specified height and width. GetWidth The width, in pixels, of the content in a container field that holds images. VerifyContainer 0 (false) if container data was changed or deleted outside FileMaker; otherwise, returns 1 (true). Related topics About functions About formulas