Substitution Variables

Substitution variable are used to transfer values from the request URL to FXG templates stored on the server.

$ *var*= *value*

• 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.