Button Script (Make Text Underlined on OnEnter)

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Hi All

Hope somebody can help me out with this, I guess simple script question:

Question:
I like to make my Button Text Underlined OnEnter.

Script I have tried:
Button.SetProperties("Button1", FontUnderline==true);
Note: I have placed this script on OnEnter

Error msg:
Error: Page1->Button1->On Enter,Line1:Argument 2 must be of type table.
Stack Traceback:
1:[Page1 -> Button1 -> On Enter] Line:1 in main chunk

Really hope somebody can help me out.

Thanks in advance

[NeedInformation]

I figured it out

Script have to be:
Button.SetProperties("Button1", {FontUnderline=true});

If you like to remove the Underline when Leave/rollOut you ofcourse have to write:
Button.SetProperties("Button1", {FontUnderline=false});

: )