A query definition may be dragged from the Query Name field of the Query Tool view. The namespace for the schema that defines the Query Definition XML content is http://www.i2b2.org/xsd/cell/crc/psm/querydefinition/1.1/
The plugin_drag_drop XML message for a query definition is as follows:
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<plugin_drag_drop xmlns:ns4="http://www.i2b2.org/xsd/cell/crc/psm/1.1/" xmlns:ns3="http://www.i2b2.org/xsd/cell/crc/pdo/1.1/" xmlns:ns5="http://www.i2b2.org/xsd/hive/plugin/" xmlns:ns2="http://www.i2b2.org/xsd/hive/pdo/1.1/" xmlns:ns6="http://www.i2b2.org/xsd/hive/msg/1.1/" xmlns:ns8="http://www.i2b2.org/xsd/cell/crc/psm/querydefinition/1.1/">
<query_definition>
<query_name>Chemistry_nqVg</query_name>
<specificity_scale>0</specificity_scale>
<panel>
<panel_number>1</panel_number>
<panel_accuracy_scale>0</panel_accuracy_scale>
<invert>0</invert>
<total_item_occurrences>1</total_item_occurrences>
<item>
<hlevel>2</hlevel>
<item_name>Chemistry</item_name>
<item_key>\\i2b2\i2b2\Labtests\LAB(LLB16) Chemistry</item_key>
<tooltip>Labtests \ Chemistry</tooltip>
<class>ENC</class>
<item_is_synonym>false</item_is_synonym>
</item>
</panel>
</query_definition>
</plugin_drag_drop>