===GetColumnData===

The **GetColumnData** function of the [[AQLHistResponse]] class returns the metadata for a named column.

This is usually used to find information such as the units of measurement, minimum and maximum values, colour schemes etc. for a property.

==Parameters==

^Parameter^Type^Default^Meaning^
|col|str||The name of the column|

==Return==

Returns a dictionary containing AQL metadata about the property.