only a...z, A..Z, 0...9 and special characters "_"
"." "-" in the name of a variable. Spaces
are not allowed in a GuiXT created variable name. There are no
set rules on how a variable should be named. You can devise your
own naming convention.
we recommend the following convention. All the variables are
named in the following way. g_transactioncode_name. The g
signifies global, transactioncode signifies the transaction in
which this variable is used and name is the name associated with