The parameter (<param>) element specifies a set of values that may be required by an <object> at runtime. Any number of <param> elements may appear in the content of an object in any order, but must be placed at the start of the content of the enclosing object. This element is comparable to the XHMTL <param> element, and its attributes' semantics derive from their HTML definitions. For example, the type attribute differs from the type attribute on many other DITA elements.
|topic, map, concept, ditabase, glossary, glossentry, glossgroup, reference, task, bookmap, classifyMap, subjectScheme, machineryTask, learningAssessment, learningBookmap, learningContent, learningMap, learningOverview, learningPlan, learningSummary||no content|
|topic (base), map (base), topic (technical content), map (technical content), concept, ditabase, glossary, glossentry, glossgroup, reference, task (strict), task (general), bookmap, classifyMap, subjectScheme, machineryTask, learningAssessment, learningBookmap, learningContent, learningMap, learningOverview, learningPlan, learningSummary||object|
|Name||Description||Data Type||Default Value||Required?|
|name||The name of the parameter.||CDATA||#REQUIRED||Yes|
|value||Specifies the value of a run-time parameter specified by the name attribute.||CDATA||#IMPLIED||No|
|valuetype||Specifies the type of the value attribute. Allowed values
|type||This attribute specifies the content type of the resource designated by the value attribute only in the case where valuetype is set to "ref". This attribute specifies for the user agent the type of values that will be found at the URI designated by value. Note that this differs from the type attribute on many other DITA elements.||CDATA||#IMPLIED (No default type)||No|
|univ-atts attribute group (includes select-atts, id-atts, and localization-atts groups)||A set of related attributes, described in univ-atts attribute group|
|global-atts attribute group (xtrf, xtrc)||A set of related attributes, described in global-atts attribute group|
|class||A common attribute described in Other common DITA attributes|
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OASIS DITA Version 1.2 -- OASIS Standard, 1 December 2010
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