Message box error

According to the teacher this is how you dou message boxes why doesn't it work?

Private Sub Command1_Click()
msg.box = "If you havent already clicked the white box below click it!"
End Sub

That is not the correct way to do message boxes.

VB Code:

Private Sub Command1_Click()
MsgBox "This is your text", vbInformation+vbOkOnly, "This is the title"
End Sub

msgbox

(instead of msg.box)

will work