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A QueryItem defines a single filter rule for the evaluation of the result collection of a [[Query]]. This filter rule has the followig following parametersrelated to filtering:{| class="wikitable sortable" style="width:70%"
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! Parameter !! DataType !! Example(s) !! Comment
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| NAME || {{Text}} || Any || Name of MetaProperty the filter values should be searched in
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| OPERATOR || {{Text}} || =,<,>,>=,<= || value must correspond to an item of the QuerySearchItemOperator enumeration
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| FILTERVALUE|| {{Text}} || Any || the value the objects are compared to
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| INDEX || {{Integer}} || Any || property has index values and filtering should consider a certain index
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| ISNULL|| {{Boolean}} || true / false|| searched for NULL values