The FeatureBaseType is the abstract base type for feature definitions, feature nominals, feature items, and feature measurements. It describes a subset of information common to all features.
The id attribute is the QIF id of the feature, used for referencing.
Source
<xs:complexType name="FeatureBaseType" abstract="true"><xs:annotation><xs:documentation>The FeatureBaseType is the abstract base type for feature definitions, feature nominals, feature items, and feature measurements. It describes a subset of information common to all features.</xs:documentation></xs:annotation><xs:sequence><xs:element ref="Attributes" minOccurs="0"><xs:annotation><xs:documentation>The optional Attributes element contains user defined attributes (typified, binary array, or XML structured).</xs:documentation></xs:annotation></xs:element></xs:sequence><xs:attribute name="id" type="QIFIdType" use="required"><xs:annotation><xs:documentation>The id attribute is the QIF id of the feature, used for referencing.</xs:documentation></xs:annotation></xs:attribute></xs:complexType>
<xs:attribute name="id" type="QIFIdType" use="required"><xs:annotation><xs:documentation>The id attribute is the QIF id of the feature, used for referencing.</xs:documentation></xs:annotation></xs:attribute>