Multiselect
Defines column ordering and optionally their width which are applied when in multi-table search mode.
Ordered comma-separated value of column folder names located under ContentManager|Columns with optional width.

e.g. Group=48,Class=48,State,PlayoutUrl=70,Title=350,Duration=80,Author=100,Editor=100,TableAlias=100
where Group column will get a width of 48 pixels, State column will get a default width of 90 pixels.
Group column will appear on the leftmost position, Editor on the rightmost position.
Possible values:
Default value: Group=48,Class=48,State=60,PlayoutUrl=70,Title=350,Duration=80,Author=100,Editor=100,TableAlias=100