AWS SDK for .NET Documentation
SourceField Property
AmazonAmazon.CloudSearch.ModelDoubleOptionsSourceField Did this page help you?   Yes   No    Tell us about it...
The name of the source field to map to the field.

Constraints:

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

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

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