A single parameter, 'type' can be one of 'float', 'int',
'bool', 'string'. 'array' is not yet supported.
//-->
- <callback-extra-parameter-list-entry type="int" column="grade_parent_id" value="2" />
+ <callback-extra-parameter-list-entry type="int" column="grade_parent_id" data="grade_id" />
+ <callback-extra-parameter-list-entry type="int" column="grade_parent_id" data="grade_parent_id" />
</callback-extra-parameter-list>
</column-callback-list-entry>
</column-callback-list>