Modifying existing custom Global Edit XMP metadata

[BradKilleen]

I'm trying to modify XMP data on a .jpg exported from Global Edit. I'm able to read data from the 'XMP-BK' group, but not able to write. Here's where I've gotten so far.

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exiftool -a -G1 -s myFilePath

I get the tags in the metadata returned, including:

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[XMP-BK]        FinishOneRef                    : test

I can read this data no problem:

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bkilleen$ exiftool -xmp:xmp-bk:finishoneref myFilePath

Finish One Ref                  : test

But I cannot write:

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bkilleen$ exiftool -xmp:xmp-bk:finishoneref="Color" myFilePath
Warning: Tag 'xmp:xmp-bk:finishoneref' is not defined
Nothing to do.

I've dug into the docs and it seems that I need to define 'XMP-BK' as a user-defined table. I've tried this as well, but perhaps I'm going something wrong. Here's my .exiftool_config data:

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# new XMP namespaces (eg. xxx) must be added to the Main XMP table: 
'Image::ExifTool::XMP::Main' => {
        # namespace definition for examples 8 to 11
        BK => { # <-- must be the same as the NAMESPACE prefix
            SubDirectory => {
                TagTable => 'Image::ExifTool::UserDefined::BK',
                # (see the definition of this table below)
            },
        },

# This is a basic example of the definition for a new XMP namespace.
# This table is referenced through a SubDirectory tag definition
# in the %Image::ExifTool::UserDefined definition above.
# The namespace prefix for these tags is 'xxx', which corresponds to
# an ExifTool family 1 group name of 'XMP-xxx'.
%Image::ExifTool::UserDefined::BK = (
    GROUPS => { 0 => 'XMP', 1 => 'XMP-BK', 2 => 'Image' },
    NAMESPACE => { 'BK' => 'myWebsite' },
    WRITABLE => 'string', # (default to string-type tags)
    FinishOneRef => { Writable }



Any help is much appreciated!

[BradKilleen]

I resolved this. The website I had in the config file was incorrect! Once corrected, the tag became writable as desired.