Acessing Global Variable in thread return empty

Godot Version 4.3 beta3

my line code
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before continue, english is not my main language so it may rough.
i have a problem when i need to access the global variable(autoload) using thread and it would return to an empty. i have tries several thing like printing before and after inside the thread like below
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did i miss something here? thank you

also tried passing parameter but no luck