This attribute is only a placeholder so that all the ISM attributes are not shown
in the schemaGuide for every element. If you refer to the documentation of the
attribute group it will say what attributes should be here.
Source
<xs:element name="geospatialCoverage" type="GeospatialCoverageType"><xs:annotation><xs:appinfo><mdr:definition>A geographic indication of one or more places or faciliies that relate to the resource. See DDMS Version 3.0 Geospatial Coverage.</mdr:definition></xs:appinfo></xs:annotation></xs:element>