The List Columns attribute defines the set of attribute names and labels to display as column headings when viewing lists of Roles (for example, List roles and find role results).
You can specify unique sets of attributes to display as list column headings. The attributes for each defined column are
name. Name of the role attribute to display
displayName. Display name to appear in the column header
rule. Optional rule that might format the attribute value. The rule is invoked for each row in the list, and the value returned by the rule is what displays in each table cell.