AWS SDK for .NET Documentation
Subject Property
AmazonAmazon.SimpleNotificationService.ModelPublishRequestSubject Did this page help you?   Yes   No    Tell us about it...
Subject of the message.
Declaration Syntax
C#
public string Subject { get; set; }
Remarks
Subject is optional parameter and used as the "Subject" line of when the message is delivered to e-mail endpoints. The subject will also be included, if present, in the standard JSON messages delivered to other endpoints.

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