<xsd:group name="EG_EffectProperties"> <xsd:choice> <xsd:element name="effectLst" type="CT_EffectList" minOccurs="1" maxOccurs="1"/> <xsd:element name="effectDag" type="CT_EffectContainer" minOccurs="1" maxOccurs="1"/> </xsd:choice> </xsd:group>