Biml Language Reference
TableIndexColumn Element
The AstTableIndexColumnNode corresponds directly to a column reference from a parent table index in SQL Server.
  Attribute API Type Default Description
ColumnName AstTableColumnBaseNode
Specifies the name of the column that is being referenced.

[.NET API Property: Column]

SortOrder SortOrder
Specifies the sort order of the column reference selected from ASC or DESC.

[.NET API Property: SortOrder]

Collection Children
  Child API Type Description
    <Annotation />
This is a collection of annotation items that can be used to specify documentation, tags, or other information. Annotations are particularly useful for storing information about nodes that can be used by BimlScript code.

[.NET API Property: Annotations]