Hello all, I'am trying to realize some possible schemas for each CCT and I have recognized a problem. If I define a complexType for a CCT like the following "AmountType", it is not possible to insert some facets for restriction of the leaf element content. In the following example, it is possible to restrict the attributes by using the facets only. <complexType name="AmountType" id="000105"> <simpleContent> <extension base="decimal"> <attribute name="currencyId" use="required" id="000107"> <simpleType> <restriction base="string"> <length value="3"/> </restriction> </simpleType> </attribute> <attributeGroup ref="cct:commonAttributes"/> </extension> </simpleContent> </complexType> If I would like to restrict the element content itself, I can do that, if I define an additional simpleType for that element content (like "AmountContentType"). <xsd:simpleType name="AmountContentType"> <xsd:restriction base="xsd:decimal"> <xsd:totalDigits value="10"/> <xsd:fractionDigits value="2"/> </xsd:restriction> </xsd:simpleType> I can insert some additional facets in this simpleType and refer to that simpleType inside of complexType "AmountType": <complexType name="AmountType"> <simpleContent> <extension base="cct:AmountContentType"> <attribute name="currencyId" use="required" id="000107"> <simpleType> <restriction base="xsd:string"> <maxLength value="3"/> </restriction> </simpleType> </attribute> <attributeGroup ref="cct:commonAttributes"/> </extension> </simpleContent> </complexType> Is that suggested way the most elegant way? Or, can I express the attributes and the restrictions for the content of leaf elements in only one defined complexType? Regards, Gunther