<xsd:simpleType name="BasicShiftPeriodTypes">
    <xsd:annotation>
        <xsd:documentation>1 = Monday, 2 = Tuesday, 3 = Wednesday, 4 = Thursday, 5 = Friday, 6 = Saturday, 7 = Sunday</xsd:documentation>
    </xsd:annotation>
    <xsd:restriction base="xsd:string">
        <xsd:enumeration value="On Call" />
        <xsd:enumeration value="Annual" />
        <xsd:enumeration value="Rostered" />
        <xsd:enumeration value="Variable" />
        <xsd:enumeration value="Monthly" />
        <xsd:enumeration value="Weekly" />
        <xsd:enumeration value="Daily" />
        <xsd:enumeration value="1" />
        <xsd:enumeration value="2" />
        <xsd:enumeration value="3" />
        <xsd:enumeration value="4" />
        <xsd:enumeration value="5" />
        <xsd:enumeration value="6" />
        <xsd:enumeration value="7" />
    </xsd:restriction>
</xsd:simpleType>