AWS SDK for .NET Documentation
Options Property
AmazonAmazon.CloudSearch_2011_02_01.ModelDefaultSearchFieldStatusOptions Did this page help you?   Yes   No    Tell us about it...
The name of the IndexField to use as the default search field. The default is an empty string, which automatically searches all text fields.

Constraints:

Length
1 - 64
Pattern
[a-z][a-z0-9_]*

Declaration Syntax
C#
public string Options { get; set; }

Assembly: AWSSDK (Module: AWSSDK) Version: 1.5.60.0 (1.5.60.0)