Thanks @jan_blaha .
There is nothing wrong with script approach. I was just confirming.
d'oh ... on the subject of "..made a mistake" ... I'd created the asset with the helpers in, and referenced it as
but ... I had a typo in the filename which was why it wasn't finding it. leaving this here so anyone else trying gets to search and learn from my stupidity ;)
Great. Happy to help.
Nice weekend for you too.
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