MTConnectDevices_1.0.xsd

<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:mt="urn:mtconnect.com:MTConnectDevices:1.0" xmlns="urn:mtconnect.com:MTConnectDevices:1.0" targetNamespace="urn:mtconnect.com:MTConnectDevices:1.0" elementFormDefault="qualified" attributeFormDefault="unqualified">
	<xs:element name="MTConnectDevices" type="MTConnectDevicesType">
		<xs:annotation>
			<xs:documentation>
        The root node for MTConnect
      </xs:documentation>
		</xs:annotation>
	</xs:element>
	<xs:simpleType name="SenderType">
		<xs:annotation>
			<xs:documentation>
        The sender of the message
      </xs:documentation>
		</xs:annotation>
		<xs:restriction base="xs:string"/>
	</xs:simpleType>
	<xs:simpleType name="CreationTimeType">
		<xs:annotation>
			<xs:documentation>
        The date and time the document was created
      </xs:documentation>
		</xs:annotation>
		<xs:restriction base="xs:dateTime"/>
	</xs:simpleType>
	<xs:simpleType name="SequenceType">
		<xs:annotation>
			<xs:documentation>
        A sequence number
      </xs:documentation>
		</xs:annotation>
		<xs:restriction base="xs:integer"/>
	</xs:simpleType>
	<xs:simpleType name="TestIndicatorType">
		<xs:annotation>
			<xs:documentation>
        A debugging flag for testing.
      </xs:documentation>
		</xs:annotation>
		<xs:restriction base="xs:boolean"/>
	</xs:simpleType>
	<xs:simpleType name="InstanceIdType">
		<xs:annotation>
			<xs:documentation>
        The instance number of the agent, used for fault tolerance
      </xs:documentation>
		</xs:annotation>
		<xs:restriction base="xs:string"/>
	</xs:simpleType>
	<xs:simpleType name="BufferSizeType">
		<xs:annotation>
			<xs:documentation>
        The size of the agents buffer
      </xs:documentation>
		</xs:annotation>
		<xs:restriction base="xs:integer"/>
	</xs:simpleType>
	<xs:simpleType name="VersionType">
		<xs:annotation>
			<xs:documentation>
        A version number
      </xs:documentation>
		</xs:annotation>
		<xs:restriction base="xs:NMTOKEN"/>
	</xs:simpleType>
	<xs:simpleType name="NameType">
		<xs:annotation>
			<xs:documentation>
        A short name for any element
      </xs:documentation>
		</xs:annotation>
		<xs:restriction base="xs:string"/>
	</xs:simpleType>
	<xs:simpleType name="UuidType">
		<xs:annotation>
			<xs:documentation>
        A universally unique id that uniquely identifies the element for
        it&apos;s entire life
      </xs:documentation>
		</xs:annotation>
		<xs:restriction base="xs:string"/>
	</xs:simpleType>
	<xs:simpleType name="SerialNumberType">
		<xs:annotation>
			<xs:documentation>
        A serial number for a piece of equipment
      </xs:documentation>
		</xs:annotation>
		<xs:restriction base="xs:string"/>
	</xs:simpleType>
	<xs:simpleType name="ItemSourceType">
		<xs:annotation>
			<xs:documentation>
        The measurement source
      </xs:documentation>
		</xs:annotation>
		<xs:restriction base="xs:string"/>
	</xs:simpleType>
	<xs:simpleType name="RateType">
		<xs:annotation>
			<xs:documentation>
        A sample rate in milliseconds per sample
      </xs:documentation>
		</xs:annotation>
		<xs:restriction base="xs:float"/>
	</xs:simpleType>
	<xs:simpleType name="PathType">
		<xs:annotation>
			<xs:documentation>
        An XML path
      </xs:documentation>
		</xs:annotation>
		<xs:restriction base="xs:string"/>
	</xs:simpleType>
	<xs:simpleType name="IDType">
		<xs:annotation>
			<xs:documentation>
        An identifier
      </xs:documentation>
		</xs:annotation>
		<xs:restriction base="xs:ID"/>
	</xs:simpleType>
	<xs:simpleType name="DescriptionTextType">
		<xs:annotation>
			<xs:documentation>
        A description
      </xs:documentation>
		</xs:annotation>
		<xs:restriction base="xs:string"/>
	</xs:simpleType>
	<xs:simpleType name="DataItemEnumType">
		<xs:annotation>
			<xs:documentation>
        The types of measurements available
      </xs:documentation>
		</xs:annotation>
		<xs:restriction base="xs:string">
			<xs:enumeration value="ACCELERATION"/>
			<xs:enumeration value="ALARM"/>
			<xs:enumeration value="AMPERAGE"/>
			<xs:enumeration value="ANGLE"/>
			<xs:enumeration value="ANGULAR_ACCELERATION"/>
			<xs:enumeration value="ANGULAR_VELOCITY"/>
			<xs:enumeration value="BLOCK"/>
			<xs:enumeration value="CODE"/>
			<xs:enumeration value="DISPLACEMENT"/>
			<xs:enumeration value="DIRECTION"/>
			<xs:enumeration value="EXECUTION"/>
			<xs:enumeration value="FREQUENCY"/>
			<xs:enumeration value="PATH_FEEDRATE"/>
			<xs:enumeration value="AXIS_FEEDRATE"/>
			<xs:enumeration value="LINE"/>
			<xs:enumeration value="CONTROLLER_MODE"/>
			<xs:enumeration value="LOAD"/>
			<xs:enumeration value="OTHER"/>
			<xs:enumeration value="POSITION"/>
			<xs:enumeration value="POWER_STATUS"/>
			<xs:enumeration value="PRESSURE"/>
			<xs:enumeration value="PROGRAM"/>
			<xs:enumeration value="SPINDLE_SPEED"/>
			<xs:enumeration value="STATUS"/>
			<xs:enumeration value="TEMPERATURE"/>
			<xs:enumeration value="TORQUE"/>
			<xs:enumeration value="VELOCITY"/>
			<xs:enumeration value="VIBRATION"/>
			<xs:enumeration value="VOLTAGE"/>
			<xs:enumeration value="WATTS"/> 
			<xs:enumeration value="WATTAGE"/>
		</xs:restriction>
	</xs:simpleType>
	<xs:simpleType name="DataItemSubEnumType">
		<xs:annotation>
			<xs:documentation>
        The sub-types for a measurement
      </xs:documentation>
		</xs:annotation>
		<xs:restriction base="xs:string">
			<xs:enumeration value="ACTUAL"/>
			<xs:enumeration value="COMMANDED"/>
			<xs:enumeration value="DISTANCE"/>
			<xs:enumeration value="MAXIMUM"/>
			<xs:enumeration value="MAX_OVERRIDE"/>
			<xs:enumeration value="MINIMUM"/>
			<xs:enumeration value="OTHER"/>
			<xs:enumeration value="OVERRIDE"/>
			<xs:enumeration value="TARGET"/>
			<xs:enumeration value="GOOD"/>
			<xs:enumeration value="BAD"/>
			<xs:enumeration value="ALL"/>
		</xs:restriction>
	</xs:simpleType>
	<xs:complexType name="HeaderType">
		<xs:annotation>
			<xs:documentation>
        Message header for protocol information
      </xs:documentation>
		</xs:annotation>
		<xs:simpleContent>
			<xs:extension base="xs:string">
				<xs:attribute name="version" type="VersionType" use="required"/>
				<xs:attribute name="creationTime" type="CreationTimeType" use="required"/>
				<xs:attribute name="testIndicator" type="TestIndicatorType" use="optional"/>
				<xs:attribute name="instanceId" type="InstanceIdType" use="required"/>
				<xs:attribute name="sender" type="SenderType" use="required"/>
				<xs:attribute name="bufferSize" type="BufferSizeType" use="required"/>
			</xs:extension>
		</xs:simpleContent>
	</xs:complexType>
	<xs:complexType name="MTConnectDevicesType">
		<xs:annotation>
			<xs:documentation>
        The root node for MTConnect
      </xs:documentation>
		</xs:annotation>
		<xs:sequence>
			<xs:element name="Header" type="HeaderType">
				<xs:annotation>
					<xs:documentation>
            Protocol dependent information
          </xs:documentation>
				</xs:annotation>
			</xs:element>
			<xs:element name="Devices" type="DevicesType">
				<xs:annotation>
					<xs:documentation>
            The equipment
          </xs:documentation>
				</xs:annotation>
			</xs:element>
		</xs:sequence>
	</xs:complexType>
	<xs:simpleType name="StationType">
		<xs:annotation>
			<xs:documentation>
        The station id for this device
      </xs:documentation>
		</xs:annotation>
		<xs:restriction base="xs:string"/>
	</xs:simpleType>
	<xs:simpleType name="Iso841ClassType">
		<xs:annotation>
			<xs:documentation>
        The ISO 841 classification for the device
      </xs:documentation>
		</xs:annotation>
		<xs:restriction base="xs:integer"/>
	</xs:simpleType>
	<xs:complexType name="DevicesType">
		<xs:annotation>
			<xs:documentation>
        The top level components
      </xs:documentation>
		</xs:annotation>
		<xs:sequence>
			<xs:element name="Device" type="DeviceType" minOccurs="1" maxOccurs="unbounded">
				<xs:annotation>
					<xs:documentation>
            A piece of equipment
          </xs:documentation>
				</xs:annotation>
			</xs:element>
		</xs:sequence>
	</xs:complexType>
	<xs:complexType name="ComponentType" abstract="true">
		<xs:annotation>
			<xs:documentation>
        An abstract component type. This is a placeholder for all components
      </xs:documentation>
		</xs:annotation>
		<xs:sequence>
			<xs:element name="Description" type="ComponentDescriptionType" minOccurs="0" maxOccurs="1">
				<xs:annotation>
					<xs:documentation>
            The descriptive information about this component
          </xs:documentation>
				</xs:annotation>
			</xs:element>
			<xs:element name="DataItems" type="DataItemsType" minOccurs="0" maxOccurs="1">
				<xs:annotation>
					<xs:documentation>
            The component&apos;s Data Items
          </xs:documentation>
				</xs:annotation>
			</xs:element>
			<xs:element name="Components" type="ComponentsType" minOccurs="0" maxOccurs="1">
				<xs:annotation>
					<xs:documentation>
            The sub components
          </xs:documentation>
				</xs:annotation>
			</xs:element>
		</xs:sequence>
		<xs:attribute name="id" type="IDType" use="required"/>
		<xs:attribute name="name" type="NameType" use="required"/>
		<xs:attribute name="sampleRate" type="SampleRateType" use="optional"/>
	</xs:complexType>
	<xs:element name="Component" type="ComponentType" abstract="true">
		<xs:annotation>
			<xs:documentation>
        An abstract component type. This is a placeholder for all components
      </xs:documentation>
		</xs:annotation>
	</xs:element>
	<xs:complexType name="ComponentDescriptionType">
		<xs:annotation>
			<xs:documentation>
        The descriptive information for this component. This can be manufacturer
        specific
      </xs:documentation>
		</xs:annotation>
		<xs:simpleContent>
			<xs:extension base="DescriptionTextType">
				<xs:attribute name="manufacturer" type="NameType" use="optional"/>
				<xs:attribute name="serialNumber" type="SerialNumberType" use="optional"/>
				<xs:attribute name="station" type="StationType" use="optional"/>
			</xs:extension>
		</xs:simpleContent>
	</xs:complexType>
	<xs:complexType name="CommonComponentType">
		<xs:annotation>
			<xs:documentation>
        An abstract component that has an optional uuid
      </xs:documentation>
		</xs:annotation>
		<xs:complexContent>
			<xs:extension base="ComponentType">
				<xs:attribute name="uuid" type="UuidType" use="optional"/>
			</xs:extension>
		</xs:complexContent>
	</xs:complexType>
	<xs:element name="CommonComponent" type="CommonComponentType" substitutionGroup="Component">
		<xs:annotation>
			<xs:documentation>
        An abstract component that has an optional uuid
      </xs:documentation>
		</xs:annotation>
	</xs:element>
	<xs:complexType name="ComponentsType">
		<xs:annotation>
			<xs:documentation>
        A list of generic components
      </xs:documentation>
		</xs:annotation>
		<xs:sequence>
			<xs:element ref="Component" minOccurs="1" maxOccurs="unbounded"/>
		</xs:sequence>
	</xs:complexType>
	<xs:complexType name="DeviceType">
		<xs:annotation>
			<xs:documentation>
        The top level component managed by the agent
      </xs:documentation>
		</xs:annotation>
		<xs:complexContent>
			<xs:extension base="ComponentType">
				<xs:attribute name="iso841Class" type="Iso841ClassType" use="required"/>
				<xs:attribute name="uuid" type="UuidType" use="required"/>
			</xs:extension>
		</xs:complexContent>
	</xs:complexType>
	<xs:element name="Device" type="DeviceType" substitutionGroup="Component">
		<xs:annotation>
			<xs:documentation>
        The top level component managed by the agent
      </xs:documentation>
		</xs:annotation>
	</xs:element>
	<xs:complexType name="ControllerType">
		<xs:annotation>
			<xs:documentation>
        A controller
      </xs:documentation>
		</xs:annotation>
		<xs:complexContent>
			<xs:extension base="CommonComponentType"/>
		</xs:complexContent>
	</xs:complexType>
	<xs:element name="Controller" type="ControllerType" substitutionGroup="CommonComponent">
		<xs:annotation>
			<xs:documentation>
        A controller
      </xs:documentation>
		</xs:annotation>
	</xs:element>
	<xs:complexType name="PowerType">
		<xs:annotation>
			<xs:documentation>
        A power measuring component
      </xs:documentation>
		</xs:annotation>
		<xs:complexContent>
			<xs:extension base="CommonComponentType"/>
		</xs:complexContent>
	</xs:complexType>
	<xs:element name="Power" type="PowerType" substitutionGroup="CommonComponent">
		<xs:annotation>
			<xs:documentation>
        A power measuring component
      </xs:documentation>
		</xs:annotation>
	</xs:element>
	<xs:complexType name="SensorType">
		<xs:annotation>
			<xs:documentation>
        A sensor, this is not abstract to allow for easy extensibility.
      </xs:documentation>
		</xs:annotation>
		<xs:complexContent>
			<xs:extension base="CommonComponentType"/>
		</xs:complexContent>
	</xs:complexType>
	<xs:element name="Sensor" type="SensorType" substitutionGroup="CommonComponent">
		<xs:annotation>
			<xs:documentation>
        A sensor, this is not abstract to allow for easy extensibility.
      </xs:documentation>
		</xs:annotation>
	</xs:element>
	<xs:complexType name="ThermostatType">
		<xs:annotation>
			<xs:documentation>
        A thermostate
      </xs:documentation>
		</xs:annotation>
		<xs:complexContent>
			<xs:extension base="SensorType"/>
		</xs:complexContent>
	</xs:complexType>
	<xs:element name="Thermostat" type="ThermostatType" substitutionGroup="Sensor">
		<xs:annotation>
			<xs:documentation>
        A thermostate
      </xs:documentation>
		</xs:annotation>
	</xs:element>
	<xs:complexType name="VibrationType">
		<xs:annotation>
			<xs:documentation>
        A sensor for reading the vibration from a component
      </xs:documentation>
		</xs:annotation>
		<xs:complexContent>
			<xs:extension base="SensorType"/>
		</xs:complexContent>
	</xs:complexType>
	<xs:element name="Vibration" type="VibrationType" substitutionGroup="Sensor">
		<xs:annotation>
			<xs:documentation>
        A sensor for reading the vibration from a component
      </xs:documentation>
		</xs:annotation>
	</xs:element>
	<xs:complexType name="AxesType">
		<xs:annotation>
			<xs:documentation>
        The machines axes. There are currently four types of axes available
      </xs:documentation>
		</xs:annotation>
		<xs:complexContent>
			<xs:extension base="CommonComponentType"/>
		</xs:complexContent>
	</xs:complexType>
	<xs:element name="Axes" type="AxesType" substitutionGroup="CommonComponent">
		<xs:annotation>
			<xs:documentation>
        The machines axes. There are currently four types of axes available
      </xs:documentation>
		</xs:annotation>
	</xs:element>
	<xs:complexType name="AxisType" abstract="true">
		<xs:annotation>
			<xs:documentation>
        A abstract machine axis
      </xs:documentation>
		</xs:annotation>
		<xs:complexContent>
			<xs:extension base="CommonComponentType"/>
		</xs:complexContent>
	</xs:complexType>
	<xs:element name="Axis" type="AxisType" abstract="true" substitutionGroup="CommonComponent">
		<xs:annotation>
			<xs:documentation>
        A abstract machine axis
      </xs:documentation>
		</xs:annotation>
	</xs:element>
	<xs:complexType name="LinearType">
		<xs:annotation>
			<xs:documentation>
        A linear axis
      </xs:documentation>
		</xs:annotation>
		<xs:complexContent>
			<xs:extension base="AxisType"/>
		</xs:complexContent>
	</xs:complexType>
	<xs:element name="Linear" type="LinearType" substitutionGroup="Axis">
		<xs:annotation>
			<xs:documentation>
        A linear axis
      </xs:documentation>
		</xs:annotation>
	</xs:element>
	<xs:complexType name="RotaryType">
		<xs:annotation>
			<xs:documentation>
        A rotary axis that moves in a rotational manor
      </xs:documentation>
		</xs:annotation>
		<xs:complexContent>
			<xs:extension base="AxisType"/>
		</xs:complexContent>
	</xs:complexType>
	<xs:element name="Rotary" type="RotaryType" substitutionGroup="Axis">
		<xs:annotation>
			<xs:documentation>
        A rotary axis that moves in a rotational manor
      </xs:documentation>
		</xs:annotation>
	</xs:element>
	<xs:complexType name="SpindleType">
		<xs:annotation>
			<xs:documentation>
        A spindle axis that spins
      </xs:documentation>
		</xs:annotation>
		<xs:complexContent>
			<xs:extension base="AxisType"/>
		</xs:complexContent>
	</xs:complexType>
	<xs:element name="Spindle" type="SpindleType" substitutionGroup="Axis">
		<xs:annotation>
			<xs:documentation>
        A spindle axis that spins
      </xs:documentation>
		</xs:annotation>
	</xs:element>
	<xs:simpleType name="SampleRateType">
		<xs:annotation>
			<xs:documentation>
        The rate a measurement is sampled
      </xs:documentation>
		</xs:annotation>
		<xs:restriction base="xs:float"/>
	</xs:simpleType>
	<xs:simpleType name="CategoryType">
		<xs:annotation>
			<xs:documentation>
        The measurement sampling type
      </xs:documentation>
		</xs:annotation>
		<xs:restriction base="xs:string">
			<xs:enumeration value="EVENT"/>
			<xs:enumeration value="SAMPLE"/>
		</xs:restriction>
	</xs:simpleType>
	<xs:simpleType name="NativeScaleType">
		<xs:annotation>
			<xs:documentation>
        The multiplier for the native value. Conversion divides by this value
      </xs:documentation>
		</xs:annotation>
		<xs:restriction base="xs:float"/>
	</xs:simpleType>
	<xs:simpleType name="UnitsType">
		<xs:annotation>
			<xs:documentation>
        The units supported
      </xs:documentation>
		</xs:annotation>
		<xs:restriction base="xs:string">
			<xs:enumeration value="STATUS"/>
			<xs:enumeration value="MILLIMETER"/>
			<xs:enumeration value="DEGREE"/>
			<xs:enumeration value="MILLIMETER/SECOND"/>
			<xs:enumeration value="DEGREE/SECOND"/>
			<xs:enumeration value="MILLIMETER/SECOND^2"/>
			<xs:enumeration value="DEGREE/SECOND^2"/>
			<xs:enumeration value="LITER"/>
			<xs:enumeration value="KILOGRAM"/>
			<xs:enumeration value="NEWTON"/>
			<xs:enumeration value="CELSIUS"/>
			<xs:enumeration value="REVOLUTION/MINUTE"/>
			<xs:enumeration value="VOLT"/>
			<xs:enumeration value="AMPERE"/>
			<xs:enumeration value="WATT"/>
			<xs:enumeration value="PART_COUNT"/>
			<xs:enumeration value="PASCAL"/>
			<xs:enumeration value="PERCENT"/>
			<xs:enumeration value="NEWTON_METER"/>
		</xs:restriction>
	</xs:simpleType>
	<xs:simpleType name="NativeUnitsType">
		<xs:annotation>
			<xs:documentation>
        The units supported for the source equipment that can be converted into
        MTC Units.
      </xs:documentation>
		</xs:annotation>
		<xs:restriction base="xs:string">
			<xs:enumeration value="STATUS"/>
			<xs:enumeration value="MILLIMETER"/>
			<xs:enumeration value="DEGREE"/>
			<xs:enumeration value="MILLIMETER/SECOND"/>
			<xs:enumeration value="DEGREE/SECOND"/>
			<xs:enumeration value="MILLIMETER/SECOND^2"/>
			<xs:enumeration value="DEGREE/SECOND^2"/>
			<xs:enumeration value="LITER"/>
			<xs:enumeration value="KILOGRAM"/>
			<xs:enumeration value="NEWTON"/>
			<xs:enumeration value="CELSIUS"/>
			<xs:enumeration value="REVOLUTION/MINUTE"/>
			<xs:enumeration value="VOLT"/>
			<xs:enumeration value="AMPERE"/>
			<xs:enumeration value="WATT"/>
			<xs:enumeration value="PART_COUNT"/>
			<xs:enumeration value="PASCAL"/>
			<xs:enumeration value="PERCENT"/>
			<xs:enumeration value="NEWTON_METER"/>
			<xs:enumeration value="INCH"/>
			<xs:enumeration value="INCH/MINUTE"/>
			<xs:enumeration value="INCH/SECOND"/>
			<xs:enumeration value="INCH/SECOND^2"/>
			<xs:enumeration value="FOOT"/>
			<xs:enumeration value="FOOT/MINUTE"/>
			<xs:enumeration value="FOOT/SECOND"/>
			<xs:enumeration value="FOOT/SECOND^2"/>
			<xs:enumeration value="POUND"/>
			<xs:enumeration value="FAHRENHEIT"/>
			<xs:enumeration value="RADIAN"/>
			<xs:enumeration value="RADIAN/SECOND"/>
			<xs:enumeration value="RADIAN/SECOND^2"/>
			<xs:enumeration value="RADIAN/MINUTE"/>
			<xs:enumeration value="MILLIMETER/MINUTE"/>
			<xs:enumeration value="DEGREE/MINUTE"/>
			<xs:enumeration value="REVOLUTION/SECOND"/>
			<xs:enumeration value="OTHER"/>
		</xs:restriction>
	</xs:simpleType>
	<xs:simpleType name="CoordinateSystemType">
		<xs:annotation>
			<xs:documentation>
        The coordinate system to be used for the position
      </xs:documentation>
		</xs:annotation>
		<xs:restriction base="xs:string">
			<xs:enumeration value="MACHINE"/>
			<xs:enumeration value="WORK"/>
		</xs:restriction>
	</xs:simpleType>
	<xs:complexType name="DataItemsType">
		<xs:annotation>
			<xs:documentation>
        A generic list of measurements for all axis
      </xs:documentation>
		</xs:annotation>
		<xs:sequence>
			<xs:element name="DataItem" type="DataItemType" minOccurs="1" maxOccurs="unbounded">
				<xs:annotation>
					<xs:documentation>
            A measurement for this component
          </xs:documentation>
				</xs:annotation>
			</xs:element>
		</xs:sequence>
	</xs:complexType>
	<xs:complexType name="DataItemType">
		<xs:annotation>
			<xs:documentation>
        A abstract measurement
      </xs:documentation>
		</xs:annotation>
		<xs:sequence>
			<xs:element name="Source" type="SourceType" minOccurs="0" maxOccurs="1">
				<xs:annotation>
					<xs:documentation>
            The measurement&apos;s source. This is the native machine identifier
            for this measurement. The source will be used to identify the
            correct incoming value with the measurement.
          </xs:documentation>
				</xs:annotation>
			</xs:element>
		</xs:sequence>
		<xs:attribute name="name" type="NameType" use="required"/>
		<xs:attribute name="id" type="IDType" use="required"/>
		<xs:attribute name="type" type="DataItemEnumType" use="required"/>
		<xs:attribute name="subType" type="DataItemSubEnumType" use="optional"/>
		<xs:attribute name="units" type="UnitsType" use="optional"/>
		<xs:attribute name="nativeUnits" type="NativeUnitsType" use="optional"/>
		<xs:attribute name="nativeScale" type="NativeScaleType" use="optional"/>
		<xs:attribute name="category" type="CategoryType" use="required"/>
		<xs:attribute name="coordinateSystem" type="CoordinateSystemType" use="optional"/>
	</xs:complexType>
	<xs:complexType name="SourceType">
		<xs:annotation>
			<xs:documentation>
        A native data source
      </xs:documentation>
		</xs:annotation>
		<xs:simpleContent>
			<xs:extension base="ItemSourceType"/>
		</xs:simpleContent>
	</xs:complexType>
</xs:schema>