Variable	Description
rougail.condition boolean standard mandatory	A condition. Default: false
rougail.var1 string standard	A first variable.
rougail.var3 string standard hidden	A second variable. Hidden: when the variable "a condition" (rougail.condition) is defined and has the value "true".
rougail.var4 string standard hidden	A forth variable. Hidden: when the variable "a condition" (rougail.condition) is defined and has the value "true".