Global functions are functions not associated with an object. There are a number of global functions in the Network Monitor Lua API. Some are required to call when a scripts exits.
ConvertFromUTF16
FormatErrorString
GetAccountPassword
GetAccountUser
GetArgument
GetArgumentCount
GetLastError
GetObjectAddress
IsIDE
MessageBox
print
SetExitStatus
SetLastError
StoreStatisticalData
Wait