All variable definitions begin with a DEFINE command and end with an END command.
Format
The following specifications show the general layout of commands for defining each user-defined variable in your database:
DEFINE VARIABLE [GROUP] "variable-name"
[TYPE [<STRING> | INTEGER] [RETAINED] ]
[DEFAULT default-value]
[TIMEOUT timeout-value [<SECONDS> | MINUTES] ]
{END | OMIT}