update_trigger removes uuid of target...

Describe the bug

Some touchbar button/widget return (null) when asking what is their uuid

Additional information (e.g. StackTraces, related issues, screenshots, workarounds, etc.):

Here is one output of the json attached to it

{
  "BTTWidgetWidth" : "140",
  "BTTTriggerType" : 636,
  "BTTTriggerTypeDescription" : "Volume Slider Widget",
  "BTTTriggerClass" : "BTTTriggerTypeTouchBar",
  "BTTPredefinedActionType" : -1,
  "BTTPredefinedActionName" : "No Action",
  "BTTEnabled2" : 1,
  "BTTEnabled" : 1,
  "BTTOrder" : 18,
  "BTTKnobIconData" : "TU0AKgAAEAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAxAAAA0AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAiAAAAPoAAAD\/AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAKQAAAMcAAAD\/AAAA\/wAAAP8AAAAAAAAAAAAAAO4AAADdAAAArAAAAFsAAAAGAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAAAAHkAAAD3AAAA\/wAAAOUAAAD\/AAAA\/wAAAAAAAAAAAAAA\/wAAAP8AAAD\/AAAA\/wAAAN0AAABRAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAC0AAADLAAAA\/wAAAP4AAACdAAAAEAAAAP8AAAD\/AAAAAAAAAAAAAAARAAAAJAAAAG0AAADSAAAA\/wAAAP4AAACDAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAUAAAB+AAAA+QAAAP8AAADgAAAARgAAAAAAAAAAAAAA\/wAAAP8AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABnAAAA9wAAAP8AAACBAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABQAAAIcAAADgAAAA\/wAAAP8AAAD\/AAAA\/wAAAP8AAAD+AAAAlAAAAAwAAAAAAAAAAAAAAAAAAAD\/AAAA\/wAAAAAAAAAAAAAA7gAAAMoAAABmAAAABQAAAAAAAABDAAAA9wAAAP4AAABMAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACHAAAA\/wAAAP8AAAD\/AAAA\/wAAAP8AAAD\/AAAA\/wAAAD4AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAP8AAAD\/AAAAAAAAAAAAAAD\/AAAA\/wAAAP8AAADMAAAAGgAAAAAAAABoAAAA\/wAAANoAAAAFAAAAAAAAAAAAAAAAAAAAAAAAAOUAAAD\/AAAAQAAAAAAAAAAAAAAAAAAAAP8AAAD\/AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\/wAAAP8AAAAAAAAAAAAAABQAAABRAAAA2wAAAP8AAADOAAAABwAAAAEAAADQAAAA\/wAAAFUAAAAAAAAAAAAAAAAAAAAAAAAA\/wAAAP8AAAAAAAAAAAAAAAAAAAAAAAAA\/wAAAP8AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD\/AAAA\/wAAAAAAAAAAAAAAAAAAAAAAAAAQAAAA2QAAAP8AAABuAAAAAAAAAGoAAAD\/AAAApQAAAAAAAAAAAAAAAAAAAAAAAAD\/AAAA\/wAAAAAAAAAAAAAAAAAAAAAAAAD\/AAAA\/wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAP8AAAD\/AAAAAAAAAAAAAADdAAAASgAAAAAAAABRAAAA\/wAAAMgAAAAAAAAAKQAAAP8AAADXAAAAAAAAAAAAAAAAAAAAAAAAAP8AAAD\/AAAAAAAAAAAAAAAAAAAAAAAAAP8AAAD\/AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\/wAAAP8AAAAAAAAAAAAAAP8AAADgAAAAAAAAAA8AAAD\/AAAA8QAAAAAAAAANAAAA\/wAAAPEAAAAAAAAAAAAAAAAAAAAAAAAA\/wAAAP8AAAAAAAAAAAAAAAAAAAAAAAAA\/wAAAP8AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD\/AAAA\/wAAAAAAAAAAAAAA\/wAAAOIAAAAAAAAADgAAAP8AAADyAAAAAAAAAA0AAAD\/AAAA8gAAAAAAAAAAAAAAAAAAAAAAAAD\/AAAA\/wAAAAAAAAAAAAAAAAAAAAAAAAD\/AAAA\/wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAP8AAAD\/AAAAAAAAAAAAAADkAAAASgAAAAAAAABRAAAA\/wAAAMcAAAAAAAAAKwAAAP8AAADYAAAAAAAAAAAAAAAAAAAAAAAAAP8AAAD\/AAAAAAAAAAAAAAAAAAAAAAAAAP8AAAD\/AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\/wAAAP8AAAAAAAAAAAAAAAAAAAAAAAAAEAAAANkAAAD\/AAAAaAAAAAAAAABxAAAA\/wAAAKUAAAAAAAAAAAAAAAAAAAAAAAAA5wAAAP8AAAA8AAAAAAAAAAAAAAAAAAAA\/wAAAP8AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD\/AAAA\/wAAAAAAAAAAAAAADQAAAFEAAADbAAAA\/wAAAM4AAAAGAAAAAwAAANUAAAD\/AAAAVQAAAAAAAAAAAAAAAAAAAAAAAACHAAAA\/wAAAP8AAAD\/AAAA\/wAAAP8AAAD\/AAAA\/wAAAD4AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAP8AAAD\/AAAAAAAAAAAAAAD\/AAAA\/wAAAP8AAADMAAAAGgAAAAAAAABpAAAA\/wAAANoAAAAFAAAAAAAAAAAAAAAAAAAAAAAAAAUAAACHAAAA6gAAAP8AAAD\/AAAA\/wAAAP8AAAD\/AAAA\/gAAAJQAAAAMAAAAAAAAAAAAAAAAAAAA\/wAAAP8AAAAAAAAAAAAAAPgAAADKAAAAZgAAAAUAAAAAAAAARgAAAPkAAAD+AAAATAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACgAAAI4AAAD8AAAA\/wAAAOAAAABGAAAAAAAAAAAAAAD\/AAAA\/wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAwAAAGwAAAD6AAAA\/wAAAIEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADgAAADUAAAA\/wAAAP4AAACdAAAAEAAAAP8AAAD\/AAAAAAAAAAAAAAAIAAAAKgAAAHEAAADUAAAA\/wAAAP4AAACDAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAcAAACCAAAA+gAAAP8AAADlAAAA\/wAAAP8AAAAAAAAAAAAAAP8AAAD\/AAAA\/wAAAP8AAADdAAAAUQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAvAAAAzAAAAP8AAAD\/AAAA\/wAAAAAAAAAAAAAA9wAAANUAAACgAAAAVwAAAAYAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAAAAZgAAAPMAAAD\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\/gAUXy4AEM8UAAPtzAAEEwsAA1yeAAAAAVhZWiAAAAAAAEwJVgBQAAAAVx\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\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\/AkHyRNJHwkqyTaJQklOCVoJZclxyX3JicmVyaHJrcm6CcYJ0kneierJ9woDSg\/KHEooijUKQYpOClrKZ0p0CoCKjUqaCqbKs8rAis2K2krnSvRLAUsOSxuLKIs1y0MLUEtdi2rLeEuFi5MLoIuty7uLyQvWi+RL8cv\/jA1MGwwpDDbMRIxSjGCMbox8jIqMmMymzLUMw0zRjN\/M7gz8TQrNGU0njTYNRM1TTWHNcI1\/TY3NnI2rjbpNyQ3YDecN9c4FDhQOIw4yDkFOUI5fzm8Ofk6Njp0OrI67zstO2s7qjvoPCc8ZTykPOM9Ij1hPaE94D4gPmA+oD7gPyE\/YT+iP+JAI0BkQKZA50EpQWpBrEHuQjBCckK1QvdDOkN9Q8BEA0RHRIpEzkUSRVVFmkXeRiJGZ0arRvBHNUd7R8BIBUhLSJFI10kdSWNJqUnwSjdKfUrESwxLU0uaS+JMKkxyTLpNAk1KTZNN3E4lTm5Ot08AT0lPk0\/dUCdQcVC7UQZRUFGbUeZSMVJ8UsdTE1NfU6pT9lRCVI9U21UoVXVVwlYPVlxWqVb3V0RXklfgWC9YfVjLWRpZaVm4WgdaVlqmWvVbRVuVW+VcNVyGXNZdJ114XcleGl5sXr1fD19hX7NgBWBXYKpg\/GFPYaJh9WJJYpxi8GNDY5dj62RAZJRk6WU9ZZJl52Y9ZpJm6Gc9Z5Nn6Wg\/aJZo7GlDaZpp8WpIap9q92tPa6dr\/2xXbK9tCG1gbbluEm5rbsRvHm94b9FwK3CGcOBxOnGVcfByS3KmcwFzXXO4dBR0cHTMdSh1hXXhdj52m3b4d1Z3s3gReG54zHkqeYl553pGeqV7BHtje8J8IXyBfOF9QX2hfgF+Yn7CfyN\/hH\/lgEeAqIEKgWuBzYIwgpKC9INXg7qEHYSAhOOFR4Wrhg6GcobXhzuHn4gEiGmIzokziZmJ\/opkisqLMIuWi\/yMY4zKjTGNmI3\/jmaOzo82j56QBpBukNaRP5GokhGSepLjk02TtpQglIqU9JVflcmWNJaflwqXdZfgmEyYuJkkmZCZ\/JpomtWbQpuvnByciZz3nWSd0p5Anq6fHZ+Ln\/qgaaDYoUehtqImopajBqN2o+akVqTHpTilqaYapoum\/adup+CoUqjEqTepqaocqo+rAqt1q+msXKzQrUStuK4trqGvFq+LsACwdbDqsWCx1rJLssKzOLOutCW0nLUTtYq2AbZ5tvC3aLfguFm40blKucK6O7q1uy67p7whvJu9Fb2Pvgq+hL7\/v3q\/9cBwwOzBZ8Hjwl\/C28NYw9TEUcTOxUvFyMZGxsPHQce\/yD3IvMk6ybnKOMq3yzbLtsw1zLXNNc21zjbOts83z7jQOdC60TzRvtI\/0sHTRNPG1EnUy9VO1dHWVdbY11zX4Nhk2OjZbNnx2nba+9uA3AXcit0Q3ZbeHN6i3ynfr+A24L3hROHM4lPi2+Nj4+vkc+T85YTmDeaW5x\/nqegy6LzpRunQ6lvq5etw6\/vshu0R7ZzuKO6070DvzPBY8OXxcvH\/8ozzGfOn9DT0wvVQ9d72bfb794r4Gfio+Tj5x\/pX+uf7d\/wH\/Jj9Kf26\/kv+3P9t\/\/8=",
  "BTTTriggerConfig" : {
    "BTTTouchBarItemIconHeight" : 22,
    "BTTTouchBarItemIconWidth" : 22,
    "BTTTouchBarItemPlacement" : 2,
    "BTTTouchBarItemPadding" : 0,
    "BTTTouchBarFreeSpaceAfterButton" : "0.000000",
    "BTTTouchBarSliderTriggerPercentage" : 0,
    "BTTTouchBarSliderDrawKnobIconWhite" : 1,
    "BTTTouchBarButtonColor" : "254.7, 29.7, 87.0, 255.000000",
    "BTTTouchBarAlwaysShowButton" : "1",
    "BTTTouchBarColorRegex" : "0",
    "BTTTouchBarAlternateBackgroundColor" : "0.000000, 0.000000, 0.000000, 0.000000"
  }
}

So you can see that the UUID is not included.
if I ask to copy-pase

{
  "BTTWidgetWidth" : "140",
  "BTTTriggerType" : 636,
  "BTTTriggerTypeDescription" : "Volume Slider Widget",
  "BTTTriggerClass" : "BTTTriggerTypeTouchBar",
  "BTTPredefinedActionType" : -1,
  "BTTPredefinedActionName" : "No Action",
  "BTTEnabled2" : 1,
  "BTTUUID" : "ECAC2A48-C525-42A9-802B-687816D2C8FB",
  "BTTEnabled" : 1,
  "BTTOrder" : 18,
  "BTTKnobIconData" : "TU0AKgAAEAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAxAAAA0AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAiAAAAPoAAAD\/AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAKQAAAMcAAAD\/AAAA\/wAAAP8AAAAAAAAAAAAAAO4AAADdAAAArAAAAFsAAAAGAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAAAAHkAAAD3AAAA\/wAAAOUAAAD\/AAAA\/wAAAAAAAAAAAAAA\/wAAAP8AAAD\/AAAA\/wAAAN0AAABRAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAC0AAADLAAAA\/wAAAP4AAACdAAAAEAAAAP8AAAD\/AAAAAAAAAAAAAAARAAAAJAAAAG0AAADSAAAA\/wAAAP4AAACDAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAUAAAB+AAAA+QAAAP8AAADgAAAARgAAAAAAAAAAAAAA\/wAAAP8AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABnAAAA9wAAAP8AAACBAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABQAAAIcAAADgAAAA\/wAAAP8AAAD\/AAAA\/wAAAP8AAAD+AAAAlAAAAAwAAAAAAAAAAAAAAAAAAAD\/AAAA\/wAAAAAAAAAAAAAA7gAAAMoAAABmAAAABQAAAAAAAABDAAAA9wAAAP4AAABMAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACHAAAA\/wAAAP8AAAD\/AAAA\/wAAAP8AAAD\/AAAA\/wAAAD4AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAP8AAAD\/AAAAAAAAAAAAAAD\/AAAA\/wAAAP8AAADMAAAAGgAAAAAAAABoAAAA\/wAAANoAAAAFAAAAAAAAAAAAAAAAAAAAAAAAAOUAAAD\/AAAAQAAAAAAAAAAAAAAAAAAAAP8AAAD\/AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\/wAAAP8AAAAAAAAAAAAAABQAAABRAAAA2wAAAP8AAADOAAAABwAAAAEAAADQAAAA\/wAAAFUAAAAAAAAAAAAAAAAAAAAAAAAA\/wAAAP8AAAAAAAAAAAAAAAAAAAAAAAAA\/wAAAP8AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD\/AAAA\/wAAAAAAAAAAAAAAAAAAAAAAAAAQAAAA2QAAAP8AAABuAAAAAAAAAGoAAAD\/AAAApQAAAAAAAAAAAAAAAAAAAAAAAAD\/AAAA\/wAAAAAAAAAAAAAAAAAAAAAAAAD\/AAAA\/wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAP8AAAD\/AAAAAAAAAAAAAADdAAAASgAAAAAAAABRAAAA\/wAAAMgAAAAAAAAAKQAAAP8AAADXAAAAAAAAAAAAAAAAAAAAAAAAAP8AAAD\/AAAAAAAAAAAAAAAAAAAAAAAAAP8AAAD\/AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\/wAAAP8AAAAAAAAAAAAAAP8AAADgAAAAAAAAAA8AAAD\/AAAA8QAAAAAAAAANAAAA\/wAAAPEAAAAAAAAAAAAAAAAAAAAAAAAA\/wAAAP8AAAAAAAAAAAAAAAAAAAAAAAAA\/wAAAP8AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD\/AAAA\/wAAAAAAAAAAAAAA\/wAAAOIAAAAAAAAADgAAAP8AAADyAAAAAAAAAA0AAAD\/AAAA8gAAAAAAAAAAAAAAAAAAAAAAAAD\/AAAA\/wAAAAAAAAAAAAAAAAAAAAAAAAD\/AAAA\/wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAP8AAAD\/AAAAAAAAAAAAAADkAAAASgAAAAAAAABRAAAA\/wAAAMcAAAAAAAAAKwAAAP8AAADYAAAAAAAAAAAAAAAAAAAAAAAAAP8AAAD\/AAAAAAAAAAAAAAAAAAAAAAAAAP8AAAD\/AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\/wAAAP8AAAAAAAAAAAAAAAAAAAAAAAAAEAAAANkAAAD\/AAAAaAAAAAAAAABxAAAA\/wAAAKUAAAAAAAAAAAAAAAAAAAAAAAAA5wAAAP8AAAA8AAAAAAAAAAAAAAAAAAAA\/wAAAP8AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD\/AAAA\/wAAAAAAAAAAAAAADQAAAFEAAADbAAAA\/wAAAM4AAAAGAAAAAwAAANUAAAD\/AAAAVQAAAAAAAAAAAAAAAAAAAAAAAACHAAAA\/wAAAP8AAAD\/AAAA\/wAAAP8AAAD\/AAAA\/wAAAD4AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAP8AAAD\/AAAAAAAAAAAAAAD\/AAAA\/wAAAP8AAADMAAAAGgAAAAAAAABpAAAA\/wAAANoAAAAFAAAAAAAAAAAAAAAAAAAAAAAAAAUAAACHAAAA6gAAAP8AAAD\/AAAA\/wAAAP8AAAD\/AAAA\/gAAAJQAAAAMAAAAAAAAAAAAAAAAAAAA\/wAAAP8AAAAAAAAAAAAAAPgAAADKAAAAZgAAAAUAAAAAAAAARgAAAPkAAAD+AAAATAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACgAAAI4AAAD8AAAA\/wAAAOAAAABGAAAAAAAAAAAAAAD\/AAAA\/wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAwAAAGwAAAD6AAAA\/wAAAIEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADgAAADUAAAA\/wAAAP4AAACdAAAAEAAAAP8AAAD\/AAAAAAAAAAAAAAAIAAAAKgAAAHEAAADUAAAA\/wAAAP4AAACDAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAcAAACCAAAA+gAAAP8AAADlAAAA\/wAAAP8AAAAAAAAAAAAAAP8AAAD\/AAAA\/wAAAP8AAADdAAAAUQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAvAAAAzAAAAP8AAAD\/AAAA\/wAAAAAAAAAAAAAA9wAAANUAAACgAAAAVwAAAAYAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAAAAZgAAAPMAAAD\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\/gAUXy4AEM8UAAPtzAAEEwsAA1yeAAAAAVhZWiAAAAAAAEwJVgBQAAAAVx\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\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\/AkHyRNJHwkqyTaJQklOCVoJZclxyX3JicmVyaHJrcm6CcYJ0kneierJ9woDSg\/KHEooijUKQYpOClrKZ0p0CoCKjUqaCqbKs8rAis2K2krnSvRLAUsOSxuLKIs1y0MLUEtdi2rLeEuFi5MLoIuty7uLyQvWi+RL8cv\/jA1MGwwpDDbMRIxSjGCMbox8jIqMmMymzLUMw0zRjN\/M7gz8TQrNGU0njTYNRM1TTWHNcI1\/TY3NnI2rjbpNyQ3YDecN9c4FDhQOIw4yDkFOUI5fzm8Ofk6Njp0OrI67zstO2s7qjvoPCc8ZTykPOM9Ij1hPaE94D4gPmA+oD7gPyE\/YT+iP+JAI0BkQKZA50EpQWpBrEHuQjBCckK1QvdDOkN9Q8BEA0RHRIpEzkUSRVVFmkXeRiJGZ0arRvBHNUd7R8BIBUhLSJFI10kdSWNJqUnwSjdKfUrESwxLU0uaS+JMKkxyTLpNAk1KTZNN3E4lTm5Ot08AT0lPk0\/dUCdQcVC7UQZRUFGbUeZSMVJ8UsdTE1NfU6pT9lRCVI9U21UoVXVVwlYPVlxWqVb3V0RXklfgWC9YfVjLWRpZaVm4WgdaVlqmWvVbRVuVW+VcNVyGXNZdJ114XcleGl5sXr1fD19hX7NgBWBXYKpg\/GFPYaJh9WJJYpxi8GNDY5dj62RAZJRk6WU9ZZJl52Y9ZpJm6Gc9Z5Nn6Wg\/aJZo7GlDaZpp8WpIap9q92tPa6dr\/2xXbK9tCG1gbbluEm5rbsRvHm94b9FwK3CGcOBxOnGVcfByS3KmcwFzXXO4dBR0cHTMdSh1hXXhdj52m3b4d1Z3s3gReG54zHkqeYl553pGeqV7BHtje8J8IXyBfOF9QX2hfgF+Yn7CfyN\/hH\/lgEeAqIEKgWuBzYIwgpKC9INXg7qEHYSAhOOFR4Wrhg6GcobXhzuHn4gEiGmIzokziZmJ\/opkisqLMIuWi\/yMY4zKjTGNmI3\/jmaOzo82j56QBpBukNaRP5GokhGSepLjk02TtpQglIqU9JVflcmWNJaflwqXdZfgmEyYuJkkmZCZ\/JpomtWbQpuvnByciZz3nWSd0p5Anq6fHZ+Ln\/qgaaDYoUehtqImopajBqN2o+akVqTHpTilqaYapoum\/adup+CoUqjEqTepqaocqo+rAqt1q+msXKzQrUStuK4trqGvFq+LsACwdbDqsWCx1rJLssKzOLOutCW0nLUTtYq2AbZ5tvC3aLfguFm40blKucK6O7q1uy67p7whvJu9Fb2Pvgq+hL7\/v3q\/9cBwwOzBZ8Hjwl\/C28NYw9TEUcTOxUvFyMZGxsPHQce\/yD3IvMk6ybnKOMq3yzbLtsw1zLXNNc21zjbOts83z7jQOdC60TzRvtI\/0sHTRNPG1EnUy9VO1dHWVdbY11zX4Nhk2OjZbNnx2nba+9uA3AXcit0Q3ZbeHN6i3ynfr+A24L3hROHM4lPi2+Nj4+vkc+T85YTmDeaW5x\/nqegy6LzpRunQ6lvq5etw6\/vshu0R7ZzuKO6070DvzPBY8OXxcvH\/8ozzGfOn9DT0wvVQ9d72bfb794r4Gfio+Tj5x\/pX+uf7d\/wH\/Jj9Kf26\/kv+3P9t\/\/8=",
  "BTTTriggerConfig" : {
    "BTTTouchBarItemIconHeight" : 22,
    "BTTTouchBarItemIconWidth" : 22,
    "BTTTouchBarItemPlacement" : 2,
    "BTTTouchBarItemPadding" : 0,
    "BTTTouchBarFreeSpaceAfterButton" : "0.000000",
    "BTTTouchBarSliderTriggerPercentage" : 0,
    "BTTTouchBarSliderDrawKnobIconWhite" : 1,
    "BTTTouchBarButtonColor" : "254.7, 29.7, 87.0, 255.000000",
    "BTTTouchBarAlwaysShowButton" : "1",
    "BTTTouchBarColorRegex" : "0",
    "BTTTouchBarAlternateBackgroundColor" : "0.000000, 0.000000, 0.000000, 0.000000"
  }
}

and then directly to ask what is the UUID it works (return ECAC2A48-C525-42A9-802B-687816D2C8FB)
now as soon as I run the following script:

tell application "BetterTouchTool"
	update_trigger "ECAC2A48-C525-42A9-802B-687816D2C8FB" json "{\"BTTTriggerConfig\":{\"BTTTouchBarButtonColor\" : \"254.7, 29.7, 87.0, 255.000000\"}}" shared_secret "XXXXX"
end tell

then if I ask the uuid I get:
(null)

I have a similar issue on a touchbar button where also the uuid is missing but I have not investigate further this.

This seems to have been introduced in 2.5.6 but the above procedure was tested with 2.5.11

Thanks,

Olivier

Thanks a lot for reporting, this should be fixed in 2.512! (It was introduced by the fix to keep the UUIDs the same when importing a preset)

Perfect it works nicely now.
Thanks a lot

Olivier