Specify Default Columns
The Column element's Name attribute is used to specify the ID of a query view column to be displayed as a list builder column when the list is created. You can specify the default columns for a list builder by using the ListBuilder's Column element's IsDefaultColumn attribute. In the example, the columns FBCONSTITUENTNAME, TXCONSTITUENTNAME, and FOODBANKTYPE are included in the default list builder output.
After a column is specified as a default, it is checked within the Columns drop-down list: