%Image::ExifTool::UserDefined = (
    # All EXIF tags are added to the Main table, and WriteGroup is used to
    # specify where the tag is written (default is ExifIFD if not specified):
    'Image::ExifTool::Exif::Main' => {
        # Example 1.  EXIF:NewEXIFTag
        0xd000 => {
            Name => 'NewEXIFTag',
            Writable => 'int16u',
            WriteGroup => 'IFD0',
        },
        # add more user-defined EXIF tags here...
    },
    # new PNG tags are added to the PNG::TextualData table:
    'Image::ExifTool::PNG::TextualData' => {
### wyrde 2023-04-03
#        # wyrde add 1.  PNG:Prompt
       Prompt => { },
#       # wyrde add 2,  PNG:Workflow
       Workflow => { },
#       # wyrde add 3.  PNG:Parameters
       Parameters => { },
#       # wyrde add 4,  PNG:SDpos
       SDpos =>  { },
#       # wyrde add 5.  PNG:SDneg
       SDneg => { },
#		# wyrde add 6.  PNG:SDconf
       SDconf => { },
    },
	
);