* Any field in METADATA file can have _file suffix, in that case content of this field(substring w/o _file suffix) will be fetched from file inside of the bundle; so in case of preview, METADATA could have field "preview_file=<file-inside-of-the-bundle>" | * Any field in METADATA file can have _file suffix, in that case content of this field(substring w/o _file suffix) will be fetched from file inside of the bundle; so in case of preview, METADATA could have field "preview_file=<file-inside-of-the-bundle>" |