AWS SDK for .NET Documentation
SourceType Property
AmazonAmazon.ElastiCache.ModelDescribeEventsRequestSourceType Did this page help you?   Yes   No    Tell us about it...
The event source to retrieve events for. If no value is specified, all events are returned. Valid values are: cache-cluster | cache-parameter-group | cache-security-group | cache-subnet-group

Constraints:

Allowed Values
cache-cluster, cache-parameter-group, cache-security-group, cache-subnet-group

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

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