A dynamic famify for val1 or val2

This family builds families dynamically.
Path:
basic
Identifiers:
Variable Description
dynval1.var
dynval2.var
string basic mandatory		A dynamic variable for val1 or val2.
Variable Description
var1
string basic mandatory disabled		A new variable.
Disabled: when the variable "a dynamic variable for val1" (dynval1.var) has the value "val".
var2
string multiple standard mandatory 		A new variable.
Default: the value of the variable "a dynamic variable for val1 or val2" (dynval1.var or dynval2.var)