| elements | atis:informationRequest atis:ATISMessage/informationRequest |
<xs:sequence>
<xs:element name="messageHeader" type="MessageHeader"/>
<!-- contains the message id, sender, time, etc. -->
<xs:element name="returnAddress" type="URL-Link" minOccurs="0"/>
<!-- this string may be a URI, an email, an IP,
or other format to establish a return path -->
<xs:choice>
<xs:element name="filter">
<xs:complexType>
<xs:sequence>
<!-- information filters to apply in the request -->
<xs:element name="location" type="RouteOrLocation" minOccurs="0"/>
<!-- the location for which data is sought -->
<xs:element name="dataTypes" type="InformationRequestType" minOccurs="0"/>
<!-- organized sets of data to request -->
<xs:element name="severity" type="tmdd:Event-incident-severity" minOccurs="0"/>
<xs:element name="issueAgency" type="tmdd:Organization-resource-identifier" minOccurs="0" maxOccurs="16"/>
<!-- centers that originated the data -->
<xs:element name="start" type="DateTimePair" minOccurs="0"/>
<xs:element name="end" type="DateTimePair" minOccurs="0"/>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:element name="eventID" type="im:ReferenceID" maxOccurs="100"/>
</xs:choice>
<xs:element name="subscription" type="SubscribeForm" minOccurs="0"/>
<!-- if a subscribe is present, values inside it will provide
the time interval and frequency of the subscribe -->
<xs:element name="parkingRequest" type="ParkingRequestDetails" minOccurs="0"/>
<xs:element name="verbosity" type="ReplyVerbosity" minOccurs="0"/>
<xs:element name="language" type="LanguageCode" minOccurs="0"/>
<!-- the requested language of the response -->
<xs:element name="tail" type="Tail" minOccurs="0"/>
<xs:element name="localInformationRequest" type="local:InformationRequest" minOccurs="0"/>
</xs:sequence>
</xs:complexType>
