This trigger takes a mandatory variable number as an argument. It returns the value of the player's specified float variable.

Format: FVar(exprn)

Arguments:

- exprn (int): An expression evaluating to a variable number. Valid numbers at this time are 0-39.

Return type: float

Error conditions: Returns 'Bottom' if exprn evaluates to 'Bottom', or if exprn evaluates to an invalid variable index.

Example:

`trigger1 = FVar(5)) = -1.23
; Triggers if the value of float variable 5 is -1.23.`