Substitution variable are used to transfer values from the request URL to FXG templates stored on the server.
$ * var *= * value *
Value to which the variable is to be set (string).
- Variable definitions and references may occur in the query portion of the request URL.
- Variables are defined as above, similar to other IS commands; the leading '$' identifies the command as a variable definition.
- The variable name * var * is case-sensitive and may consist of any combination of letters, numbers, '-', and '_'.
- Important value must be single-pass URL-encoded for safe HTTP transmission.