AWS SDK for .NET Documentation
HadoopVersion Property
AmazonAmazon.ElasticMapReduce.ModelJobFlowInstancesConfigHadoopVersion Did this page help you?   Yes   No    Tell us about it...
Gets and sets the property HadoopVersion.

The Hadoop version for the job flow. Valid inputs are "0.18", "0.20", or "0.20.205". If you do not set this value, the default of 0.18 is used, unless the AmiVersion parameter is set in the RunJobFlow call, in which case the default version of Hadoop for that AMI version is used.

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

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