VBA - Message Box

Sub MessageBox_Demo()
   'Message Box with just prompt message
  Dim a As String
   MsgBox ("Welcome")
   
   'Message Box with title, yes no and cancel Butttons
   a = MsgBox("Do you like blue color?", 3, "Choose options")
   ' Assume that you press Yes Button
   MsgBox ("The Value of a is " & a)
End Sub