The <apivalue> element is a reference to a value.
This element can be used to reference a value from another DITA topic type.
<task id="httpxml">
<title>Getting an XML file through an HTTP connection.</title>
<taskbody>
<steps>
<step><cm>Open the connection</cm>
<info>You use <apivalue keyref="com.ibm.xtools.patterns.framework.uml2.IDefaultComponentExportDataModel.IID">IID field</apivalue>
in a Java application</info>.
</step>
...
</steps>
</taskbody>
</task>