AWS SDK for .NET Documentation
EndingSequenceNumber Property
AmazonAmazon.Kinesis.ModelSequenceNumberRangeEndingSequenceNumber Did this page help you?   Yes   No    Tell us about it...
The ending sequence number for the range. Shards that are in the OPEN state have an ending sequence number of null.

Constraints:

Pattern
0|([1-9]\d{0,128})

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

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