Xml class

Hello,

I'm trying to add a element in my gml with 4 classes: restriction base="string"> <enumeration value="very good"/> <enumeration value="good"/> <enumeration value="medium"/> <enumeration value="bad"/>

Can I do this in FME, because I only could add a parameter:

So I want to change the type in order to have in my xsd file the several options:

Thanks all for the support,

regards

Inês