How to convert "list" type , input that can be used?

[Dornan_Luke]

Hi All:
I need to enter the value “PolyCurve.Offset” among,
But my source is a “List” type.
Is there a kind of method can be converted?
I beg yous expert assistance.
Thank you!

 

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[Andrew_Hannell]

I don’t know

It works for me…

 

[Dornan_Luke]

Thanks for any help!
I am currently using this solution.
Also does this written description Where can I see?

 

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