Documentation for National Information Exchange Model (NEIM)
Definition Type: SimpleType
Name: NullType
Namespace: http://niem.gov/niem/external/ogc-gml/3.1.1/dhs-gmo/1.0.0
Containing Schema: gml.xsd
Documentation:
Utility type for null elements. The value may be selected from one of the enumerated tokens, or may be a URI in which case this should identify a resource which describes the reason for the null.
Collapse XSD Schema Diagram:
XSD Diagram of NullType in schema gml_xsd (National Information Exchange Model (NEIM))
Collapse XSD Schema Code: 
<simpleType name="NullType">
    <annotation>
        <appinfo source="urn:opengis:specification:gml:schema-xsd:basicTypes:3.1.1">basicTypes.xsd</appinfo>
        <documentation>Utility type for null elements.  The value may be selected from one of the enumerated tokens, or may be a URI in which case this should identify a resource which describes the reason for the null. </documentation>
    </annotation>
    <union memberTypes="gml:NullEnumeration anyURI" />
</simpleType>
Collapse Derivation Tree:
Collapse References:
gco:nilReason, gml:Null
Documentation for National Information Exchange Model (NEIM)

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