ifc:IfcProcedureTypeEnum

<xs:simpleType name="IfcProcedureTypeEnum">
  <xs:restriction base="xs:string">
    <xs:enumeration value="advice_caution"/>
    <xs:enumeration value="advice_note"/>
    <xs:enumeration value="advice_warning"/>
    <xs:enumeration value="calibration"/>
    <xs:enumeration value="diagnostic"/>
    <xs:enumeration value="shutdown"/>
    <xs:enumeration value="startup"/>
    <xs:enumeration value="userdefined"/>
    <xs:enumeration value="notdefined"/>
  </xs:restriction>
</xs:simpleType>