In case anyone else encountered this problem. You have to edit your function and check the "has return value" box. Then your return will work. After this you have to use "Call Function" again and now you have a new field for saving results.
why the variable IS_EXISTS does not change?
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The element exists, but the variable IS_EXISTS does not change its value.
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@sergey344356 Why won't my car start? Wheels in place
