BrightSign BrightScript 3.0 Reference Manual - Manual (Page 49)

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• Integer
• Float
• Double
• String
• Object
• Dynamic
Example:
Function cat(a, b)
Return a+b 'a, b could be numbers or strings
End Function
Function five() As Integer
Return 5
End function
Function add(a As Integer, b As Integer) As Integer
Return a+b
End function
Function add2(a As Integer, b=5 as Integer) As Integer
Return a+b
End Function
Function add3(a As Integer, b=a+5 as Integer) As Integer
Return a+b